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I. Introduction Russia invaded Ukraine in February 2022. As the Russian invasion of Ukraine enters its fourth year, its most immediate and visible consequences have been loss of life and large numbers of refugees from Ukraine. However, given the interconnected structure of the international political, economic, and policy systems, the ramifications of the Ukraine conflict can be felt well beyond Ukraine and Russia. Much of the recent literature and commentaries have focused on the military and strategic lessons learned from the on-going Ukraine conflict (Biddle 2022; 2023; Dijkstra et al. 2023). However, there are not many quality analyses of economic effects of the Ukraine war on Eastern European countries, including Russia and Ukraine. This paper focuses on the economic effects of the Ukraine war on nine Eastern European countries, including Russia and Ukraine. This is because although Eastern European countries are neighbors of Russia and Ukraine and have had significant negative economic outcomes from the Ukraine war, these countries were mainly ignored by researchers. II. The Economic Effects of the Ukraine war The impacts of war are far-reaching and devastating. War causes immense destruction of property and loss of life. It also creates psychological trauma for those who have experienced it firsthand. War can also have long-term economic impacts, such as higher unemployment and increased poverty. War can also lead to the displacement of people, as we have seen the millions of refugees who had been forced to flee their homes due to conflicts. War can also have political effects, such as creating new states or weakening existing nations. It can also lead to the rise of authoritarian regimes in many post-war nations. War can also lead to increased militarization as nations seek to protect themselves from future conflicts. The Ukraine war might have broader economic consequences. The supply chains may be affected because of the destruction of infrastructures and resources. War mobilization may affect the workforce and economic production. Actors in the economy may also act strategically to deploy resources elsewhere or to support the war effort because the war has affected incentive structures of workers and business. These effects can be local to geographical areas engulfed in conflict but also cause ripple effects to a wider regional area and to the global economy. Trade, production, consumption, inflation, growth and employment patterns may all be influenced. Peterson .K. Ozili.(2022) claimed that the scale of the Ukraine war had its negative impact on the economies of almost all countries around the world. According to Ozili, the main effects of the Ukraine war on the global economy are several, but this paper focuses on two below: Rising Oil Gas Prices  and inflation – European countries import a quarter of their oil and 40% of their natural gas from the Russian Federation. The Russian Federation is the second largest oil producer in the world and the largest supplier of natural gas to Europe, and after the invasion, European oil companies will have problems getting these resources from the Russian Federation. Even before the Russian invasion, oil prices were rising because of growing tensions between countries, the COVID-19 pandemic, and other factors, but remained in the $80–95 per barrel range. After the invasion, this price reached the value of $100. Natural gas prices rose 20% since the war began. Rising gas & oil prices can drive high inflation and increase public utility bills. Decline in production and economic growth. Rising oil and gas prices lead to high inflation and, therefore, a decline in consumption, supply and demand, thereby causing decline in growth and production. This paper focuses on inflation and GDP growth of nine Eastern European countries regarding the economic effects of the Ukraine war. Ozili (2022) claimed that very high inflation was a perceived negative consequence of the Russian invasion of Ukraine. As Figure 1 shows, inflation in the EU jumped in the first month of the invasion, and the increasing trend continues. EU inflation in 2022 peaked in October and amounted to 11.5% that was a historical record. However, inflation has slowly declined as energy prices have gone down. This higher inflation in Europe basically resulted from energy price increase. As Figures 2, 3, and 4 show, energy prices in Europe skyrocketed in 2022. As Figure 2 shows, energy prices have been the most important component of high inflation in the EU.  Figure 1: Average inflation rate in the EU (%). Source: EurostatCreated with Datawrapper     Figure 2: Main components of inflation rate in the Euro areas.  Figure 3: Natural gas prices in Europe, January 2021- end 2024  Figure 4: Crude oil price, January 2020-January 2025 Source: Eurostat Created with Datawrapper Inflation skyrocketed not only in the EU member countries, including Eastern European countries, but also in Russia and Ukraine.  Figure 5: Inflation rate in Russia, 2021-2025 As Figure 5 shows, inflation rate in Russia averaged 8.16 % from 2003 until 2025, but it reached an all time high of 20.37 % in April of 2022 just after the Russian invasion of Ukraine. In 2022, Russia experienced high inflation, with the average annual rate reaching approximately 13.75%. This surge in inflation was largely attributed to the economic impact of Western sanctions and increased government spending related to the war in Ukraine. From end of 2022 and throughout 2023, however, inflation was brought under control, but in 2024 inflation started to climb again. The inflation rate in Russia has been moderately high in 2024 and 2025, reaching to 9.5% in 2024 and 9.9% in May 2025 and 9.4% in June 2025.   Figure 6: Inflation rate in Ukraine, 2021-2025 The Ukrainian economy has undergone harsh conditions with the onset of Russia’s full-scale invasion of Ukraine in 2022. Following the start of the invasion, inflation skyrocketed to 26.6% in October 2022 from 10.0% in 2021. Inflation in Ukraine started to slow down from the end of 2022 throughout 2023, reaching 5.1% in November 2023. However, inflation began to rise from early 2024 and then grew to 12% in December 2024. As Figure 5 & 6 shows, inflation rates in Russia and Ukraine do not follow the pattern of EU countries in which inflation skyrocketed in 2022 and then has slowly declined over time. Rather inflation in Russia and Ukraine skyrocketed in 2022 and then slowed down in 2023 and started to climb again in 2024 and 2025. As Figure 7 shows, inflation in Eastern European countries has been also very high just after Russia invaded Ukraine. Hungary’s annual inflation rate surged in 2022, reaching a peak of 26.2 % in January 2023. By mid-2023, it began to decline, and by 2024, it showed a gradual decline trend, reaching 3.7 % in 2024. And inflation in Hungary slightly increased in 2025, reaching 4.6% in June 2025 and 4.4% in May 2025.  The Czech Republic(Czechia) experienced a significant surge in inflation in 2022, with the average inflation rate reaching 15.1%. This marked the second-highest inflation rate since the Czech Republic’s independence in 1993.  Two factors mainly contributed to this surge: High energy prices:The global energy crisis, exacerbated by the war in Ukraine, significantly impacted energy prices in the Czech Republic.  Increased food prices: The rising energy costs also led to higher food prices, with some sectors experiencing inflation rates as high as 26%.  The inflation rate in the Czech Republic in 2023 was relatively high, reaching 10.7%. However, inflation significantly declined in 2024 and 2025. The average annual inflation rate in the Czech Republic for 2024 was 2.4%. The inflation rate in 2025 was also low, recording 2.7% in July 2025. Poland also experienced a significant increase in inflation in 2022, with the average inflation rate reaching 14.2%. The inflation was down to 11.47% in 2023, but it was still high. The rate continued to fall, reaching 3.72% in 2024. In July 2025, inflation dropped to 3.1%. Similarly, Bulgaria experienced a significant surge in inflation in 2022, reaching a peak of 18.7 % in September 2022. However, Bulgaria’s annual inflation rate continued to decline from 13.02% in 2022 to 8.6% in 2023 and 2.6% in 2024. The inflation in June 2025 was 3.1%.  Romania experienced a significant surge in inflation in 2022, reaching a peak of 14.6 in November 2022. However, the annual inflation rate in Romania declined from 13.8% in 2022, recording 10.4% in 2023 and 5.58% in 2024. The inflation rate reached a more moderate rate of 5.8% in June 2025.  Slovakia experienced a significant surge in inflation in 2022, reaching a peak of 15.4 % in November 2022. However, the annual inflation rate in Slovakia declined to 10.96% in 2023, and 3.15% in 2024. The inflation rate in Slovakia reached a more moderate rate of 4.3% in June 2025.  Slovenia had much lower inflation rate than other Eastern European countries. The annual inflation rate in Slovenia was 8.83% in 2022, 7.45% in 2023, and 1.97% in 2024. The inflation rate in Slovenia reached a relatively low rate of 2.2% in June 2025.  Unlike Russia and Ukraine, these Eastern European countries followed the pattern of EU countries in which inflation skyrocketed in 2022 and then has slowly declined over time.   Figure 7: Inflation rate in Eastern Europe during the Ukraine war Very high inflation in Europe during the early stage of Ukraine war basically resulted from energy price increase as Figures 2, 3, and 4 show. It is because European countries were heavily dependent on Russian energy. Figure 8 shows that a number of Eastern European countries were significantly dependent on Russian energy in 2020 before the Ukraine war. For example, Slovakia and Hungary depended on Russia for more than 50 % of their energy use. Moreover, Europe was the largest importer of natural gas in the world. Russia provided roughly 40% and 25% of EU’s imported gas and oil before the Russian invasion of Ukraine. As Figure 9 shows, major gas importers from Russia in 2021 were European countries.  Figure 8: EU member country’s dependence on Russia energy  Figure 9: Major EU importers from Russian Gas in 2021. However, since the Russian invasion of Ukraine in 2022, more than 9,119 new economic sanctions have been imposed on Russia, making it the most sanctioned country in the world. At least 46 countries or territories, including all 27 EU nations, have imposed sanctions on Russia. EU trade with Russia has been strongly affected by the sanctions, resulting in a 58% decline in exports to Russia and an 86% drop in imports from Russia between the first quarter of 2022 and the third quarter of 2024. In the response, as Figure 10 shows, Russia cut its gas exports to the EU by around 80% since the Russian invasion, resulting in higher gas price in Europe.  Figure 10: Monthly Russia-EU pipeline gas flows, 2022-2025 Nonetheless, Figure 11 show that Hungary, Slovakia, and Czech Republic have been major  importers of Russian gas and oil after Russia’s invasion of Ukraine, while Figure 12 shows that Hungary, Bulgaria, Slovenia, Slovakia, and Czech Republic have been major importers and consumers of Russian gas after the Ukraine war. Figure 11: Largest importers of Russian fossil fuels (January 1, 2023 to February 16, 2025)  Figure 12: Selected European countries’ imports of Russian natural gas as shares of total consumption. As energy prices in Europe skyrocketed, inflation, including food price also skyrocketed in Europe. As a result, consumption in Europe was down and GDP growth declined in Europe after the Russian invasion of Ukraine. As Ozili claimed, lower growth rate was also a perceived negative consequence of the Russian invasion of Ukraine. As Figure 13 shows, GDP in EU was down to 3.5 % in 2022 compared to 6.3% in 2021, and it was further down to 0.8 % in 2023 because of economic stagnation and high inflation caused by the Ukraine war.  Figure 13: Average annual GDP growth rate in EU, 1996-2025. Like EU countries, Russia, Ukraine and some Eastern European countries experienced negative growth rates in 2022 & 2023 after Russia’s invasion of Ukraine in February 2022. Russia’s economy has undergone significant transformation since its full-scale invasion of Ukraine in February 2022. As Figure 14 shows, Russia GDP growth rate for 2022 was -2.07%, a 7.68% decline from 2021. This decline in GDP was due to international sanctions, the withdrawal of foreign companies and overall economic uncertainty. However, the impact was largely offset by a favourable terms-of-trade from higher commodity prices and support from third countries – especially China, Turkey, the UAE and countries bordering Russia – which have served as conduits for sanctions evasion.  Figure 14: Russia GDP Growth Rate By 2023, the Russian economy had increasingly shifted to a war footing. As Figure 15 shows, military spending significantly increased after the Russian invasion of Ukraine. Surge in government spending such as military spending, counter-sanctions measures and credit growth boosted investment, construction and overall economic activity in Russia. The military-industrial sector benefitted the most, as did private consumption driven by war-related payments and high real wage growth resulting from the tight labor market. Meanwhile, sectors reliant on Western markets or foreign companies continued to struggle. As a result, Russia’s GDP grew by 3.6 percent in 2023 and 4.3 percent in 2024. Economic expansion resulted from rising government expenditure and investment in its military as it continues its war against Ukraine.  Figure 15: Russia military spending By the end of 2024 and in early 2025, however, signs of economic stagnation had become evident. Even the military-industrial sector began to stagnate. The economy had butted up against its supply-side constraints. In the first quarter of 2025, annual growth slowed to an estimated 1.4 % (from 4.5 % in the last quarter of 2024. Economic contraction was driven by falling activity in trade, mining, real estate and leisure, which growth in agriculture, manufacturing and public administration were not able to offset.  Figure 16: Ukraine GDP growth rate Russian invasion of Ukraine in February 2022 significantly affected Ukraine economy. As Figure 16 shows, Ukraine’s GDP growth rate for 2022 was -28.76%, a 32.08% decline from 2021. GDP growth rate in Ukraine averaged 1.33% from 2000 until 2025, reaching a record low of -36.60 % in the second quarter of 2022. Ukraine’s economy started to bounce back in 2023 and the GDP growth rate in Ukraine for 2023 was 5.32 %, a 34.08 increase in 2022. GDP growth rate reached an all time high of 19.30% in the second quarter of 2023. The GDP growth for 2024 was down to 2.9%. In the first quarter of 2025, Ukraine’s GDP grew 0.9%. However, the Ukrainian economy has been propped up by financial support from Western countries, including military and humanitarian aid, as well as loans from frozen Russian assets. Financing from abroad has been essential in sustaining Ukraine’s ability to survive. Ukraine’s 2024 public sector deficit rose to a record 1.832 trillion hryvnia, or almost 24 % of GDP. Over 60 % of spending went to defense and domestic security. Ukraine’s foreign partner countries provided approximately $42 billion in direct budget support in 2024, of which a large chunk ($17.5 billion) was provided via the EU’s Ukraine Facility. In 2025, Ukraine’s financing situation looks brighter compared to the beginning of 2024, when the EU’s 50-billion-euro Ukraine Facility and America’s over-60-million-dollar Ukraine aid package were blocked due to legislative intransigence. The structure of 2025 deficit financing in Ukraine represents a big change from 2024 as a substantial part of the deficit will be covered out of the yield on Russia’s frozen assets. Last summer, G-7 leaders agreed on an Extraordinary Revenue Acceleration (ERA) arrangement allowing for the use of 183 billion Euro of frozen Russian assets (end-2024) in the EU area to help Ukraine. The ERA program does not draw on the Russian assets directly but uses its proceeds to finance payments and costs of a $50 billion loan. As Figure 17 shows, ERA disbursements allocated to Ukraine will come to nearly $22 billion in 2025 and $11 billion in 2026. The new Trump administration has yet to withdraw from the ERA program, even if substantial cuts have already been made in e.g. USAID financing to Ukraine. The US remains the ERA program’s largest supporter, accounting for a total disbursement commitment of $20 billion. Figure 17: ERA program for Ukraine from Western countries, 2023-2026 Moreover, according to the Ukraine Support Tracker from Kiel University, Ukraine has received 267 billion euros in aid over the past three years. Half of this has been in weapons and military assistance, with 118 billion euros in financial support and 19 billion euros for humanitarian aid. European countries contributed more than the US: 62 billion euros in arms and 70 billion euros in other aid from Europe, compared with 64 billion euros in arms and 50 billion euros in other aid from the US. On the other hand, the Ukraine war caused a massive refugee crisis to Eastern European countries. The Ukraine war made millions of Ukraine people cross the border into neighboring countries in Eastern countries, affecting the economy of each nation. Table 1 shows the number of Ukraine refugees settled in Europe. Most of the Ukraine refugees settled in Poland and the Czech Republic, followed by Romania, Slovakia, and Moldova. These Ukraine refugees had significant impacts on Eastern European economy, in particular on Poland and Czech Republic. Table 1: Number of refugees from Ukraine settled in EuropeSource: UNHCR Operational Data The Ukraine war affected Poland’s economy in several ways, creating both difficulties and opportunities. First, there were problems with energy supplies that could threaten Poland’s access to power. The conflict in Ukraine has shaken up Poland’s energy market quite a bit, affecting its gas and oil supplies and leading to a spike in prices. Right after the conflict began, gasoline prices in Poland jumped by more than 40% as Figure 18 shows. This is mainly because Poland used to get a lot of its energy from Russia, and now, because of the Ukraine war and the sanctions that followed, there’s been a big disruption. As Figure 19 shows, food prices also skyrocketed just after the Ukraine war.  Figure 18: Gasoline price in Poland Figure 19: Food inflation in Poland Food inflation in Poland averaged 4.11 % from 1999 until 2025, reaching an all time high of 24.00 % in February of 2023. Moreover, there has been the arrival of more than 1 million Ukraine refugees, which put pressure on jobs and public services in Poland. The Polish government has had to increase its public spending significantly to provide housing, healthcare, and social services for the newcomers. This sudden increase in spending seemed overwhelming at first, but it also brought potential economic benefits in the long run. For example, the influx of Ukraine refugees boosted demand for local goods and services, which in turn stimulated the Polish economy. Despite both difficulties and opportunities that the Ukraine war brought to Poland, Poland’s GDP growth rate in 2022 was 5.3%. This indicates a strong economic performance, although it was slightly lower than the 6.9% growth rate in 2021. However, Poland's GDP growth rate in 2023 was down to 0.2%. This signifies a significant slowdown compared to the 5.3% growth in 2022. The slowdown was attributed to factors like energy inflation-induced decline in household spending and stagnant consumption. Poland’s real GDP grew by 2.9% in 2024, exceeding initial expectations, which were set at 2.8%. As inflation was down, it allowed for consumer spending and contributed to economic expansion. The Polish economy continues to grow by 3.2% in the first quarter of 2025. Figure 20: annual GDP growth rate in Poland, 2016-2024 The Czech economy has experienced significant impacts from the Ukraine war due to supply chain disruptions and rising energy & food prices. As Figure 21 and 22 show, gasoline and food prices in Czech Republic skyrocketed just after the Russian invasion of Ukraine. Gasoline prices in Czech Republic skyrocketed in June 2022 at 2.05 USD/Liter from 1.12 USD/Liter in May2020. Gasoline prices in Czech Republic averaged 1.48 USD/Liter from 1995 until 2025, reaching a high of 2.05 USD/Liter in June of 2022 and a record low of 0.72 USD/Liter in December of 1998. Figure 21: Gasoline price in the Czech Republic  Figure 22: Food inflation in the Czech Republic As a result, after a solid recovery from Covid-19 pandemic in 2021 with 4.0% growth rate, economic activity slowed down in 2022-2023 as a result of the consequences of the war in Ukraine, including EU sanctions on Russia and rising energy & food prices. Nonetheless, the Czech achieved a moderate growth in 2022 with a growth rate of 2.8% but the Czech economy contracted by -0.1% in 2023 and has been weak with a growth rate of 1.1% in 2024 and 0.7 % in the first quarter of 2025. Figure 23: annual GDP growth rate in Czech Republic, 2016-2024 Hungary’s economy has faced significant challenges due to the war in Ukraine, including increased energy costs, inflation, and disruptions to trade and supply chains. Hungary economy grew by 4.6 % in 2022, but declined to -0.91% in 2023 due to the extremely high inflation and weak consumptions. The consumer price in Hungary rose to a peak of 25.7% in January 2023, the highest rate in the EU. High inflation was driven by surging energy and food prices as Figures 24 and 25 show. The Hungary economy has been weak with the growth rate of 0.5 % in 2024. The GDP expanded by 0.1% in the second quarter of 2025. Figure 24: Gasoline price in Hungary Figure 25: Food inflation in Hungary  Figure 26: annual GDP growth rate in Hungary, 2016-2024 Bulgaria’s economy has faced challenges from the Ukraine ware, due to increased energy prices and disruptions in trade. As Figure 27 shows, the initial economic recovery was stronger than anticipated, with a 4.0% GDP growth in 2022, but the Ukraine war’s impact, coupled with inflation and global economic headwinds, led to a slowdown. Bulgaria’s economy expanded by 1.89 % in 2023. Then Bulgaria GDP bounced back to 2.8 % in 2024 and by 3.1% in the first quarter of 2025. Figure 27: annual GDP growth rate in Bulgaria, 2016-2024 Romania’s economy has experienced both positive and negative impacts from the Ukraine war. As Figure 28 shows, the Romanian economy displayed unexpected strength in 2022, with a 4.8% growth rate thanks to strong private consumption and investment. However, the Ukraine war’s effects, particularly on energy prices and supply chains, dampened Romanian growth. Romanian growth rate for 2023 was 2.2%, but it moderately rebound in 2024 with a 2.8% growth rate. The Romanian GDP increased by 0.3% in the first quarter of 2025. Romania faced challenges related to fiscal deficits, public debt, and inflation. Romania’s ability to navigate these challenges and capitalize on opportunities, such as EU support and its strategic geographic location, will be crucial for its long-term economic prosperity.  Figure 28: annual GDP growth rate in Romania, 2016-2024 Slovakia’s economy has faced significant challenges due to the war in Ukraine, mainly through energy & food price shocks and disruptions to trade and supply chains. As Figure 29 and 30 show, gasoline and food price in Slovakia significantly increased. Slovakia’s economy grew by 0.45% in 2022, a 5.28% decline from 2021. GDP growth rate for 2023 was 1.38 %. GDP growth in Slovakia moderately bounced back in 2024 with a growth rate of 2.0. In the first quarter of 2025, Slovakia economy grew by 0.2 %.  Figure 29: Gasoline price in Slovakia Figure 30: food inflation in Slovakia Figure 31: annual GDP growth rate in Slovakia, 2016-2024 In 2022, Slovenia experienced a slow economic growth with 2.7%, a 5.69% decline from 2021. due to the Ukraine war and subsequent energy price hikes and supply chain disruptions. Slovenia’s economy has been hurt by the Ukraine war and subsequent flooding in 2023 and 2024 with a 2.1 % and 1.5 % growth rate, respectively. Slovenia’s GDP growth was down to -0.7 % in the first quarter of 2025.   Figure 32: annual GDP growth rate in Slovenia, 2016-2024 III. Conclusion  This paper analyzed the economic effects of the Ukraine war on Russia, Ukraine, and Eastern European countries with a focus on inflation and GDP growth. The paper showed that after the Russian invasion of Ukraine in February 2022, inflation skyrocketed not only in the EU member countries, including Eastern European countries, but also in Russia and Ukraine. However, the pattern of inflation was different. Inflation in Russia and Ukraine did not follow the inflation pattern of EU member countries in which inflation skyrocketed in 2022 and then has slowly declined over time. Rather inflation in Russia and Ukraine skyrocketed in 2022 and then slowed down in 2023 and started to climb again in 2024 and 2025. Inflation in Eastern European countries followed the pattern of EU member countries in which inflation skyrocketed in 2022 and has then slowly declined over time. On the other hand, the pattern of GDP growth was different, depending on the individual conditions of each nation, although most countries experienced economic decline in 2022 relative to 2021. Some countries such as Ukraine and Russia experienced negative growth in 2022 and then recovered from 2023. Other countries such as Hungary, Romania, Bulgaria, and Czech Republic experienced moderate growth in 2022 and then slowed down over time. Still other countries like Slovakia and Slovenia experienced very low GDP growth over the period of 2022-2025.  References Biddle, Stephen D. 2022. “Ukraine and the Future of Offensive Maneuver.” War on the Rocks. November 22. https://warontherocks.com/2022/11/ukraine-and-the-future-of-offensive-maneuver/.Biddle, Stephen D. 2023. “Back in the Trenches: Why New Technology Hasn’t Revolutionized Warfare in Ukraine.” Foreign Affairs 102 (5): 153–164.Dijkstra, Hyllke, Myriam Dunn Cavelty, Nicole Jenne, and Yf Reykers. 2023. “What We GotWrong: The War Against Ukraine and Security Studies.” Contemporary Security Policy 44(4): 494–496. https://doi.org/10.1080/13523260.2023.2261298Ozili, P.K., 2022, Global Economic Consequence of Russian Invasion of Ukraine. Available online at: https://ssrn.com/abstract=4064770(open in a new window)

Introduction Geopolitical tensions are making global trade increasingly difficult. In order to reduce the associated risk of default, companies are shifting their trade relations to trading partners that are politically similar to them. In the course of the beginnings of geo-economic fragmentation, politically and economically like-minded countries are also gaining in importance for German and European decision-makers. Liaison countries1 in particular can form a counterforce to the trend towards polarization in foreign trade - especially between the USA and China: they are characterized by a pronounced economic and trade policy openness that overrides differences between geopolitical or ideological camps. Consequently, the question arises: How can relevant connecting countries for Germany and Europe be identified? What opportunities and risks do closer trade relations with these countries offer in order to strengthen foreign trade resilience in geopolitically uncertain times?  With a high degree of openness - defined as the sum of imports and exports in relation to gross domestic product - of over 80 percent2 , the German economy is strongly integrated into global trade. Accordingly, the disruptive effect of geo-economic fragmentation on the German economy would be above average. The defensive strategy to strengthen Germany's economic security by pushing for trade policy independence would only reinforce geo-economic fragmentation. Against the backdrop of comparatively high economic vulnerability, it is necessary to focus on those potential partner countries with which German and European foreign trade could be developed and expanded even under the condition of increasing fragmentation.  Geoeconomic Fragmentation  The term "geo-economic fragmentation" is used to describe the politically motivated reorganization of global goods and financial flows, in which strategic, economic and political interests primarily determine the choice of countries of origin and destination for trade flows.3 In the scenario of geo-economic fragmentation, the result would be the formation of a bloc within the global community of states, which would fundamentally change the regulatory structure of global economic networking. In this case, trade and investment would probably concentrate from a previously diverse range of economic partner countries - prior to the formation of the bloc - on those countries that now - since the formation of the bloc - belong to the same bloc.  The likelihood of this scenario occurring and leading to an increased fragmentation of the global economic order has increased again in the recent past. For example, Donald Trump's second term as US president is causing increasing geopolitical uncertainty worldwide.  Statements on the concrete form of a possible demarcation of potential blocs are subject to a great deal of uncertainty. However, the division of a large part of the global economy into a "US bloc" and a "China bloc" is a conceivable scenario for which German politics and business should prepare.  Data already shows that, at a global level, foreign trade openness has decreased in the recent past. Data from the World Trade Organization (WTO) illustrates the increasing hurdles in global trade in goods. While 3.1% of global imports were still affected by tariff or non-tariff barriers to trade in 2016 - including under WTO rules - this figure rose to 11.8% in 2024 over the following years.4 This development goes hand in hand with a noticeable loss of importance and enforcement of the WTO since the 2010s, which previously played a central role as the guardian of the rules-based global economic order.  Studies by the International Monetary Fund (IMF) have already found indications of an incipient geo-economic fragmentation along potential bloc borders. It shows that trade in goods and foreign direct investment between countries that would belong to the opposing camp in the event of a bloc formation declined on average in 2022 and 2023 - in contrast to foreign trade between countries that are geopolitically close.5  In this initial phase of geo-economic fragmentation, liaison countries are beginning to establish themselves as a counterforce, holding the fragmenting global community of states together with new trade and investment routes.  Identification of liaison countries Specifically, liaison countries have the following characteristics: a pronounced openness to foreign trade in the form of a high foreign trade quota and low tariff and non-tariff trade barriers, as well as pronounced economic relations with partner countries from different geopolitical camps. The geopolitical orientation of countries can be examined using data on voting behavior within the United Nations.6 This involves analyzing whether a country can be assigned to the US or Chinese camp - or whether there is no pronounced proximity and therefore political neutrality or "non-alignment" in the sense of ideological independence. The data-based identification of connecting countries is relatively new. Empirical analyses are also limited to connecting countries in the context of US-Chinese foreign trade - specifically US imports from China. In this case, the characteristics of a connecting country can be broken down into (1) "non-alignment" - i.e. a geopolitical distance to both a Western and an Eastern bloc - as well as (2) an increase in imports and foreign investment from China and (3) a simultaneous increase in exports to the United States. In a narrower sense, this is an evasive reaction to trade restrictions, i.e. circumventing trade. If the foreign trade indicators - specifically the trade and investment data relating to the US and China - of "non-aligned" countries for the period from 2017 to 2020 show corresponding characteristic-related changes compared to previous years, these can be identified as countries connecting the US and China.  The analysis of trade data shows that the value of direct exports from China to the USA fell during Donald Trump's first term in office. At the same time, both Chinese exports to some of the "non-aligned" countries and exports from these countries to the USA have increased significantly. These countries have presumably stepped in as a link on the export route from China to the US after the previously direct trade flow was interrupted by trade barriers and had to find a new route. Companies producing in China are therefore likely to have sought new, indirect ways to maintain access to the US sales market.  A certain statistical inaccuracy in the foreign trade data makes it difficult to draw a definitive conclusion in this context. It should be noted: No single commodity can be tracked across national borders in trade data collection. Whether the additional goods imported from China actually found their way to the United States can only be assumed approximately. However, if the trade flows are aggregated, a clearer picture emerges and the circumvention trade via selected connecting countries - including Vietnam and Mexico - becomes visible.  Data on foreign direct investment rounds off the analysis.7 "Non-aligned" countries in which an increase in Chinese investment can be seen between 2016 and 2020 in addition to trade flows can be identified as connecting countries. Here, too, available data suggests that the companies concerned either exported their goods to the United States via a stopover or even outsourced parts of their production destined for the US market to connecting countries. Five connecting countries between the US and China Based on the 2017-2020 study period, various connecting countries can be empirically identified that were used to indirectly maintain access to the US market. In terms of foreign trade volume, the economically most important connecting countries include Mexico, Vietnam, Poland, Morocco and Indonesia.8 All five countries are characterized by the fact that both their exports of goods to the US and their imports of goods from China increased significantly between 2017 and 2020. In addition, greenfield investments (foreign direct investment to set up a new production facility) have risen significantly compared to the period before 2017.  However, the five countries show different priorities in their development, which differentiate them in their role as connecting countries between the USA and China. In Vietnam, exports to the USA in particular have risen sharply. China has been the most important procurement market for Vietnamese companies for years. Poland, Mexico and Indonesia are characterized as connecting countries primarily by the significant increase in imports from China. Morocco, in turn, was able to attract more Chinese foreign investment in particular. Greenfield investments have almost tripled here since 2017. However, Poland - a rather surprising candidate for the role of liaison country, as it is intuitively assigned to the US-oriented bloc - is positioned fairly centrally between the US and China according to the analysis of voting behavior within the United Nations9. In addition, Poland qualifies primarily due to the sharp rise in greenfield investments from China, primarily in the expansion of domestic battery production.10  It cannot be concluded from the previous studies on the USA and China whether German companies are also circumventing trade barriers from the USA via the countries identified. As the trade policy conflicts between the US and China differ significantly from those between the EU and China, there has been a lack of comparable empirical data to analyze connecting countries in the EU context. Opportunities and challenges As the German economy is strongly oriented towards foreign trade and is closely networked with both the USA and China, German companies play a particularly exposed role in the area of tension between the USA and China. Increased economic exchange with potential connecting countries would offer German companies an opportunity to mitigate the expected shock of a geopolitical bloc. They could at least maintain international trade to a certain extent and thus secure some of the endangered sales and procurement markets. On the other hand, there are also costs associated with expanding foreign trade relations with potential connecting countries. The greater complexity also increases the risk in the value chains. Companies that position themselves wisely within this trade-off buy themselves valuable time in the event of a shock to reorganize themselves against the backdrop of changed foreign trade conditions.  From the perspective of foreign trade policy, it is also possible to examine the extent to which stronger foreign trade cooperation with (potential) connecting countries could have advantages. The trade-off between resilience and complexity must then be assessed at a macroeconomic level, beyond individual company interests. In order to make it easier for companies to connect to potential connecting countries and to create appropriate framework conditions, German and European policy can build on existing comprehensive strategies at national and European level. Both the China Strategy11 and the National Security Strategy12 focus foreign policy on connecting countries as part of a stronger economic and political risk diversification. There is also a similar framework at European level with the EU's Strategic Compass13 . Following on from this, the German government could create targeted incentives to open up new markets in liaison countries, which would diversify critical supply chains and reduce one-sided dependencies.  At the same time, connecting countries pose a challenge. These can be used to circumvent foreign trade measures such as sanctions if flows of goods can find alternative routes via connecting countries more easily than before.  In order to realize opportunities and overcome challenges, close cooperation between science, politics and companies is required. This first requires the identification of a selection of potential connecting countries through scientifically sound analysis. This creates the basis for the subsequent steps in which European and German policymakers work closely with companies to create attractive framework conditions for trade with potential connecting countries - for example through bilateral trade agreements.  Attractive foreign trade framework conditions can create the necessary incentive to actually expand trade relations with potential connecting countries. Companies need to weigh up individual cases and make forward-looking decisions: To what extent is there a risk of a loss of production triggered by geopolitical conflicts? And how much would the complexity of the value chain increase if more potential connecting countries were included? Ultimately, the actual choice of preferred sales and procurement markets lies with the individual companies. LicenseThis work is licensed under CC BY 4.0 References1. Verbindungsländer werden im Sinne von Connectors verstanden, vgl. Gita Gopinath/Pierre-Olivier Gourinchas/Andrea F Presbitero/Petia Topalova, Changing Global Linkages: A New Cold War?, Washington, D.C.: IMF, April 2024 (IMF Working Paper) <https://www.imf.org/en/Publications/WP/Issues/2024/04/05/Changing-Global-Linkages-A-New-ColdWar-547357/>. 2. Statistisches Bundesamt (Destatis), Außenwirtschaft. 2025, <https://www.destatis.de/DE/Themen/Wirtschaft/Globalisierungsindikatoren/aussenwirtschaft.html#246 078/>.  3. Shekahar Aiyar/Franziska Ohnsorge, Geoeconomic Fragmentation and ‚Connector’ Countries, Online verfügbar unter:  <https://mpra.ub.uni-muenchen.de/121726/1/MPRA_paper_121726.pdf>.4. WTO, WTO Trade Monitoring Report, Genf, November 2024, <https://www.wto.org/english/tratop_e/tpr_e/factsheet_dec24_e.pdf/>. 5. Gita Gopinath/Pierre-Olivier Gourinchas/Andrea F Presbitero/Petia Topalova, Changing Global Linkages: A New Cold War?, Washington, D.C.: IMF, April 2024 (IMF Working Paper) <https://www.imf.org/en/Publications/WP/Issues/2024/04/05/Changing-Global-Linkages-A-New-ColdWar-547357/>.  6. Michael A. Bailey/Anton Strezhnev/Erik Voeten, »Estimating Dynamic State Preferences from United Nations Voting Data«, Journal of Conflict Resolution, 61 (2017) 2, S. 430-456, <https://journals.sagepub.com/doi/10.1177/0022002715595700/>.7. Gita Gopinath/Pierre-Olivier Gourinchas/Andrea F Presbitero/Petia Topalova, Changing Global Linkages: A New Cold War?, Washington, D.C.: IMF, April 2024 (IMF Working Paper) <https://www.imf.org/en/Publications/WP/Issues/2024/04/05/Changing-Global-Linkages-A-New-ColdWar-547357/>. War-547357. 8. Enda Curran/Shawn Donnan/Maeva Cousin, »These Five Countries are Key Economic ‚Connectors‘ in a Fragmenting World«, in Bloomberg (online), 1.11.2023, <https://www.bloomberg.com/news/articles/2023-1102/vietnam-poland-mexico-morocco-benefit-from-us-china-tensions/>.9. Michael A. Bailey/Anton Strezhnev/Erik Voeten, »Estimating Dynamic State Preferences from United Nations Voting Data«, Journal of Conflict Resolution, 61 (2017) 2, S. 430-456, <https://journals.sagepub.com/doi/10.1177/0022002715595700/>.  10. Enda Curran/Shawn Donnan/Maeva Cousin, »These Five Countries are Key Economic ‚Connectors‘ in a Fragmenting World«, in Bloomberg (online), 1.11.2023, <https://www.bloomberg.com/news/articles/202311-02/vietnam-poland-mexico-morocco-benefit-from-us-china-tensions/>.11. Auswärtiges Amt, China‐Strategie der Bundesregierung, Berlin, Juli 2023, <https://www.auswaertigesamt.de/resource/blob/2608578/810fdade376b1467f20bdb697b2acd58/china-strategie-data.pdf/>.  12. Auswärtiges Amt, Integrierte Sicherheit für Deutschland: Nationale Sicherheitsstrategie, Berlin, Juni 2023, <https://www.bmvg.de/resource/blob/5636374/38287252c5442b786ac5d0036ebb237b/nationalesicherheitsstrategie-data.pdf/>.  13. Rat der Europäischen Union, Ein Strategischer Kompass für Sicherheit und Verteidigung, Brüssel, März 2022, <https://data.consilium.europa.eu/doc/document/ST-7371-2022-INIT/de/pdf/>.

Donald Trump declared his Alaska summit with Vladimir Putin a success, despite contrasting evidence suggesting otherwise. On Truth Social, he said a peace agreement over Ukraine, not a mere ceasefire, was the right path, claims he echoed during follow-up talks in Washington with Volodymyr Zelensky and European leaders. “Potentially, millions of people’s lives will be saved,” Trump said. That optimism looks misplaced. For Putin, Ukraine is not merely a bargaining chip but a territory he views as part of a Russian “civilization-state.” When he meets with Western leaders, he is not negotiating over land; he frames the war as a defense of Russian civilization and its values. As a result, Putin cannot easily “make a deal” involving land swaps to end the conflict.  Russia’s civilisational project  In addition to civilisational rhetoric, other factors contribute to Putin’s intransigence. Strategic concerns about NATO, fears for regime security, and the material importance of Crimea and the Black Sea all shape Moscow’s stance. Yet the language of civilisation turns these into matters of identity and survival. It fuses practical interests with existential claims, making retreat even harder. Even if compromises were possible on security or economics, the civilisational frame casts them as betrayals of Russia’s destiny.  Some American policymakers have tended to read Russia as a state with interests that can be traded. However, Putin accounts for Russia not simply as a nation-state, but as a civilization rooted in Orthodoxy, empire, and the memory of Soviet power. Viewed through this prism, Ukraine is not a foreign neighbour, but an inseparable part of Russian history and identity, which must be defended against Western encroachment.  In his 2021 essay On the Historical Unity of Russians and Ukrainians, Putin claimed that Russians and Ukrainians are “one people,” and that Ukraine is “an inalienable part of our own history, culture, and spiritual space.” Whatever his private convictions, the function of this language is clear. It justifies annexation and occupation, and it raises the political cost of retreat by treating territorial issues as matters of civilisational survival.   Putin himself insists that “the West” does not understand that “the Ukraine crisis is not a territorial conflict … and not an attempt to establish regional geopolitical balance.” Instead, he says, it is rooted in “the principles underlying the new international order” he is building. Peace, in this new order, is possible only “when everyone feels safe and secure, understands that their opinions are respected” and when “no one can unilaterally force …others to live or behave as a hegemon pleases even when it contradicts the sovereignty …traditions, or customs of peoples and countries.”    This framing lets the Kremlin portray the West as the aggressor imposing alien norms on unwilling Ukrainians. Russia, by contrast, is said to be fighting for itself on behalf of all nations who wish to see western hegemony end and the birth of a new multipolar world. Moreover, it portrays Ukraine’s status as a civilisational question tied to identity and resistance to Western liberal norms. As a result, only a settlement that Putin present domestically as recognition of Russia’s civilisational standing is acceptable, which complicates compromise beyond what standard diplomatic formulas suggest.  Challenges to Trump’s pursuit of peace  Trump has made no secret of his desire to be remembered as a peacemaker. However, he also admires strong leaders and has shown sympathy for post-liberal arguments that liberal democracy is exhausted. These affinities bring him closer, at least rhetorically, to elements of Putin’s stance.  Admiration and aspiration alone are insufficient in bridging the gap between Putin and Trump’s positions on Ukraine’s independence. Putin frames the conflict as existential, defending Russian civilisation against Western encroachment. This  makes compromise especially difficult. If the war is understood in these terms, how can Moscow return occupied territories without undermining its own civilisational claim? How can it accept a Ukraine that leans towards the European Union, or tolerate an American presence on its soil?  Trump may want peace, but Putin has tied his legitimacy to a narrative that resists it. Unless that framing is abandoned, or radically reinterpreted, any settlement will remain elusive.  A wider trend  “Russia’s approach is part of a wider pattern in which civilisational claims have become central to how leaders justify power and resist compromise. Xi Jinping frames China as a five-thousand-year-old civilisation whose territory includes Taiwan and the South China Sea. He presents the Communist Party as the guardian of a civilisational tradition stretching back to Confucius, giving contemporary disputes an aura of timeless legitimacy. Narendra Modi portrays India as an ancient Hindu civilisation restoring its rightful place after centuries of foreign domination. Each case is distinct, but the message is similar: our civilisation is exceptional, our sovereignty absolute, and our values not up for negotiation.    A troubled summit  Against this backdrop, the Alaska meeting was never likely to produce more than gestures. Trump may genuinely want peace and to be remembered as the leader who ended the war. Yet he is dealing with a counterpart who has justified the invasion of Ukraine in civilisational and existential terms. For Putin, Ukraine is not only territory but a symbol of Russia’s identity and sovereignty, cast as a bulwark against Western encroachment. Within this frame, Russia would view restoring Ukraine’s borders, accepting its European orientation, or tolerating a long-term American presence in the region as defeats of principle rather than concessions of interest.  Trump’s ambition to end the war faces an almost insoluble dilemma. Europe will reject a settlement that rewards aggression, while Putin refuses to surrender territory he has cast as integral to Russian civilisation. Land swaps seem practical but please neither side. If the conflict were to remains frozen, Ukraine will be fractured and the deeper issues unresolved. Peace demands compromise, but compromise undermines the very narratives on which Moscow has built its legitimacy. As a result, unless Putin retreats from his civilisational framing of the war, any settlement will remain elusive and Ukraine’s future uncertain.  Dr Nicholas Morieson is a Research Fellow at the Deakin Institute for Citizenship and Globalisation, Deakin University, Melbourne. He is the author of three books, including Weaponizing Civilizationalism for Authoritarianism: How Turkey, India, Russia, and China Challenge Liberal Democracy (Palgrave 2025).  This article is published under a Creative Commons License and may be republished with attribution.

At a high-stakes meeting at the White House on August 18, the US president, Donald Trump, and his Ukrainian counterpart, Volodymyr Zelensky, tried to hammer out the broad contours of a potential peace agreement with Russia. The tone of their encounter was in marked contrast to their last joint press conference in Washington back in February which ended with Zelensky’s humiliation by Trump and his vice president, J.D. Vance. The outcomes of the presidential get-together, and the subsequent, expanded meeting with leaders of the European coalition of the willing, were also a much more professional affair than Trump’s summit with his Russian counterpart, Vladimir Putin, on August 15. The results of the meetings in the White House were still far from perfect. But they are a much better response to the reality in which Ukrainians have lived for the past more than three-and-a-half years than what transpired during and after the brief press conference held by the two leaders after their meeting in Alaska. This relatively positive outcome was not a foregone conclusion. Over the weekend, Trump had put out a statement on his Truth Social platform that: “President Zelenskyy (sic) of Ukraine can end the war with Russia almost immediately”. But this came with the proviso that Zelensky would need to accept Ukraine’s loss of Crimea to Russia and forego his country’s future Nato membership. This, and similar ideas of land swaps between Russia and Ukraine, have already been roundly rejected by the Ukrainian president. Importantly, Kyiv’s position has been fully backed by Ukraine’s European allies. Leaders of the coalition of the willing issued a joint statement on August 16 to the effect that any territorial concessions were Ukraine’s to make or refuse. On Nato membership, their statement was more equivocal. European leaders asserted that Russia should not be allowed to have a veto on Ukraine’s choices. But the coalition’s reiteration of the commitment that it is “ready to play an active role” in guaranteeing Ukraine’s future security opened up a pathway to Trump to “Article 5-like protections” for Ukraine against future Russian aggression and promising “a lot of help when it comes to security”. Nato’s Article 5 guarantees that an attack on one member is an attack on all and commits the alliance to collective defence. A possibly emerging deal – some territorial concessions by Ukraine in exchange for peace and joint US and European security guarantees – appeared to become more certain during the televised meeting between Trump and his visitors before their closed-door discussions. In different ways, each of the European guests acknowledged the progress that Trump had made towards a settlement and they all emphasised the importance of a joint approach to Russia to make sure that any agreement would bring a just and lasting peace. As an indication that his guests were unwilling to simply accept whatever deal he had brought back with him from his meeting with Putin in Alaska, the US president then interrupted the meeting to call the Russian president. Signals from Russia were far from promising with Moscow rejecting any Nato troop deployments to Ukraine and singling out the UK as allegedly seeking to undermine the US-Russia peace effort. Peace remains elusive When the meeting concluded and the different leaders offered their interpretations of what had been agreed, two things became clear. First, the Ukrainian side had not folded under pressure from the US, and European leaders, while going out of their way to flatter Trump, held their ground as well. Importantly, Trump had not walked away from the process either but appeared to want to remain engaged. Second, Russia had not given any ground, either. According to remarks by Putin’s foreign policy advisor, Yuri Ushakov, posted on the Kremlin’s official website, Russia would consider “the possibility of raising the level of representatives of the Ukrainian and Russian parties”. His statement falls short of, but does not rule out, the possibility of a Zelensky-Putin summit, which Trump announced as a major success after the White House meetings yesterday. Such a meeting was seen as the next logical step towards peace by all the participants of the White House meeting and would be followed, according to Trump, by what he called “a Trilat” of the Ukrainian, Russian and American presidents. The lack of clear confirmation by Russia that such meetings would indeed happen raises more doubts about the Kremlin’s sincerity. But the fact that a peace process – if it can be called that – remains somewhat intact is a far cry from an actual peace agreement. Little if anything was said in the aftermath of the White House meeting on territorial issues. Pressure on Russia only came up briefly in comments by European leaders, whose ambitions to become formally involved in actual peace negotiations remain a pipe dream for the time being. And, despite the initial optimism about security guarantees, no firm commitments were made with Zelensky only noting “the important signal from the United States regarding its readiness to support and be part of these guarantees”. Peace in Ukraine thus remains elusive, for now. The only tangible success is that whatever Trump imagines as the process to a peace agreement did not completely fall apart. But as this process unfolds, its progress, if any, happens at a snail’s pace. Meanwhile the Russian war machine deployed against Ukraine grinds forward. At the end of the day, yesterday’s events changed little. They merely confirmed that Putin keeps playing for time, that Trump is unwilling to put real pressure on him and that Ukraine and Europe have no effective leverage on either side. Trump boldly claimed ahead of his meetings with Zelensky and the leaders of the coalition of the willing that he knew exactly what he was doing. That may be true – but it may also not be enough without knowing and understanding what his counterpart in the Kremlin is doing.

AbstractThe increasing presence of foreign fighters in the armed conflict in Ukraine has posed significant challenges to the application of International Humanitarian Law (IHL). These foreign fighters, often motivated by political, ideological, or religious reasons, do not neatly fit into traditional legal categories such as lawful combatants, civilians, or mercenaries. Their involvement on both sides of the conflict between those supporting either Ukrainian forces or Russian-backed groups, presents a complex issue that requires careful consideration within the context of IHL, which currently lacks clear provisions for addressing their legal status. This study focuses on the research question: Does the involvement of foreign fighters in the armed conflict in Ukraine comply with the principles of International Humanitarian Law? This issue is particularly important as it exposes significant gaps in IHL, revealing its inability to adequately address the complexities of modern armed conflicts involving non-state actors. Employing a juridical-normative approach, this study examines the application of IHL to foreign fighters in the Russia-Ukraine conflict, focusing on their rights, responsibilities, and accountability. The findings show that IHL lacks specific provisions to regulate the legal status of foreign fighters, relying instead on general human rights principles that fail to address their unique circumstances. This creates a legal vacuum, undermining both their protection and the enforcement of accountability for violations. The study concludes that targeted reforms in IHL are urgently needed to establish clear legal standards for the classification, protection, and prosecution of foreign fighters, thereby strengthening the overall humanitarian framework for contemporary armed conflicts.KeywordsForeign fighters, Russia, Armed conflict, Humanitarian law, Ukraine 1. Introduction The Russia-Ukraine conflict, which has been ongoing since Russia's annexation of Crimea in 2014, has escalated into a complex and devastating war. This conflict, deeply rooted in geopolitical tensions, has drawn the attention of the international community, not only due to the implications for regional stability but also for the growing role of foreign fighters. The involvement of foreign fighters in the conflict adds a new layer of complexity to the already volatile situation. These individuals, who join armed conflicts in foreign territories, are often motivated by political, ideological, religious, or financial reasons, and their presence in Ukraine raises serious legal, political, and humanitarian questions (Asya et al., 2024). The role of foreign fighters has become increasingly significant in modern warfare, with their participation often blurring the lines between combatants, civilians, and mercenaries (Anjelika et al., 2024)The primary challenge posed by the involvement of foreign fighters in Ukraine lies in the legal uncertainty surrounding their status under International Humanitarian Law (IHL). IHL, which governs the conduct of armed conflicts and seeks to protect individuals who are not actively participating in hostilities, does not provide clear guidelines for foreign fighters. These fighters, who do not represent a state or recognized party to the conflict, do not neatly fall into categories such as lawful combatants or civilians, making their legal status ambiguous. This creates a gap in the legal framework, complicating the application of IHL to their actions and raising critical questions about accountability, rights, and protections under international law (Alexander, 2023) (see Table 1, Table 2).   The significance of this study stems from the need to address these legal uncertainties and to understand how IHL can be adapted to regulate the involvement of foreign fighters in modern conflicts. Despite the growing prevalence of foreign fighters in conflicts around the world, the existing body of IHL has not sufficiently addressed their status or the challenges they pose to the protection of human rights and the enforcement of accountability (Paulussen, 2021). By focusing specifically on the Ukraine conflict, this study aims to fill a significant gap in current legal scholarship by analyzing the implications of foreign fighters' participation through the lens of IHL. The involvement of foreign fighters in the Ukraine conflict has profound implications not only for the legal treatment of these individuals but also for the broader geopolitical context (Idris & Mu'tashim, 2023). Their participation exacerbates tensions between Russia and Western countries, as foreign fighters supporting Ukraine often come from nations with opposing political interests to Russia. This dynamic further complicates diplomatic efforts aimed at resolving the conflict and maintaining international peace. Additionally, the presence of foreign fighters contributes to the growing trend of non-state actors engaging in warfare, challenging traditional notions of state sovereignty and complicating international efforts to regulate armed conflict (Lekatompessy et al., 2024). From a humanitarian perspective, the presence of foreign fighters increases the risks of violations of IHL and human rights, as these individuals may not be subject to the same legal frameworks as state actors. The lack of clear legal provisions for foreign fighters leaves them vulnerable to exploitation, abuse, and violations of their rights, while also creating a situation in which accountability for violations becomes difficult to enforce (Akbar & Sadiawati, 2023). This not only undermines the protection of civilians but also weakens the enforcement of humanitarian norms, further complicating the efforts of international organizations and states to address violations of IHL. This study is particularly important because it seeks to address the legal vacuum that exists concerning foreign fighters in the Ukraine conflict. By examining the application of IHL to foreign fighters, this research contributes to the broader field of international law by proposing a more comprehensive framework for regulating their involvement. Through this examination, the study aims to provide concrete recommendations for legal reforms within IHL that would better address the challenges posed by foreign fighters in modern armed conflicts. The rationale for this study lies in the growing recognition that IHL, as it currently stands, is insufficient to address the complexities of modern warfare, particularly when it comes to the participation of non-state actors like foreign fighters. As the world witnesses an increasing number of foreign fighters engaging in conflicts worldwide, it is essential to adapt international legal frameworks to these new realities. This study not only contributes to the understanding of IHL's limitations but also proposes practical legal reforms that could enhance its effectiveness in protecting human rights and ensuring accountability in future conflicts. The involvement of foreign fighters in Ukraine represents a critical point at which the gaps in IHL are laid bare. As such, this study holds significant relevance for policymakers, international legal scholars, and human rights advocates, as it highlights the urgent need for reform and provides insights into how IHL can evolve to better respond to contemporary challenges. By addressing the legal status and accountability of foreign fighters, this study aims to contribute to the development of a more robust and responsive international legal system that can effectively address the complexities of modern warfare and uphold humanitarian principles in the face of emerging threats. 1.1. Literature review Previous research by Akbar and Sadiawati (2023), titled "Analysis of the Russian Invasion of Ukraine in Terms of Humanitarian Law", focuses on examining violations of the 1949 Geneva Conventions during the invasion and emphasizes the role of the United Nations in promoting global peace. The study provides a comprehensive analysis of the international legal framework, particularly humanitarian law, in addressing war crimes and violations committed during the conflict. Similarly, Nasution and Raudia (2022, pp. 361–374), in their article "Analysis of Russian War Violations in the 2022 Ukrainian Conflict Based on the Perspective of International Humanitarian Law", discusses the breaches of humanitarian law committed by Russia during the conflict. Their study highlights key violations under international legal standards and emphasizes the need for accountability based on humanitarian law principles. Masri et al. (2024), in their study titled "Implementation of International Humanitarian Law in the Russia-Ukraine Conflict", explore the application of international humanitarian law (IHL) within the context of the Russia-Ukraine war. Their research delves into how IHL has been enforced and its effectiveness in mitigating harm during the conflict. While these studies extensively analyze IHL violations in the Russia-Ukraine war, they focus primarily on state actors, with limited attention to the role of foreign fighters. This paper fills this gap by analyzing the participation of foreign fighters, their classification under IHL, and the legal protections afforded to them. 1.2. Theoretical framework1.2.1. Theories of state sovereignty and territorial integrity The theory of state sovereignty and territorial integrity originates from classical thinkers like Bodin (2009), Hugo Grotius (1964), and Kant (1991). Bodin defined sovereignty as supreme authority free from external interference, while Grotius emphasized its role as a cornerstone of international law. Kant argued that territorial integrity was vital for peaceful inter-state relations. These principles were codified in Article 2(4) of the UN Charter (1945), prohibiting threats or force against a state's territorial integrity or political independence. In the Russia-Ukraine conflict, these principles are acutely relevant. Russia's annexation of Crimea (2014), support for separatists in Donetsk and Luhansk, and the 2022 invasion breach sovereignty and international law. Moerdijat (2022) highlights these violations' severity, while Pisano (2022) examines their destabilizing effects on regional geopolitics. Thus, this theory offers a legal and analytical lens to assess the conflict's ramifications for the global order. 1.2.2. Theories of international humanitarian law (IHL) The development of IHL stems from contributions by scholars like Jean Pictet, who stressed protecting individuals in conflicts, and Hugo Grotius, whose De Jure Belli ac Pacis advocated for war regulation through moral and legal principles. J.F. Murphy (1982) linked IHL with human rights, Antonio Cassese (2013) explored IHL's role in mitigating human rights violations during war, and Theodor Meron (2006) advanced civilian protections and war crime regulations. These foundations emphasize protecting non-combatants, limiting warfare methods, and clarifying states' obligations. In Ukraine, IHL faces challenges like the ambiguous legal status of foreign fighters. Akbar and Sadiawati (2023) highlight gaps in their protections, while the BBC (2023) reports on the Wagner Group's role in exacerbating violations, such as civilian attacks and disproportionate force. These challenges underscore the need for stricter adherence to IHL to mitigate humanitarian crises and uphold legal standards. 1.2.3. Theories of globalization in modern warfare Theories on globalization's impact on warfare are shaped by thinkers like Mary Kaldor (2013), who contrasts traditional "old wars" with "new wars" involving non-state actors, and Zygmunt Bauman (1998), who links globalization to interconnected dynamics reshaping warfare. Robert D. Kaplan (1994) connects globalization to growing socio-economic inequalities and asymmetric conflicts. These theories argue that globalization's technological, economic, and communicative aspects have transformed war by introducing non-state actors and advanced technologies. The Russia-Ukraine conflict illustrates globalization's role in modern warfare. The participation of foreign fighters, whether aiding Ukraine's International Territorial Defense Legion or Russia's Wagner Group, reflects globalization's influence. Mehra and Thorley (2022) note motivations like ideology and economics, while Chakyan Tang (2022) highlights both solidarity and challenges introduced by non-state actors. Globalization expands conflicts' scope and complexity, complicating regulation while reshaping modern warfare's nature. 2. Methodology This research employs a juridical-normative method using a legal approach to examine the Ukraine-Russia conflict within the framework of International Humanitarian Law (IHL) (Gunawan et al., 2023). The primary objective is to explore how the actions of the parties involved align with the established principles and norms of international law. A juridical-normative approach is used to systematically analyze laws, regulations, and legal principles applicable to the conflict, particularly focusing on how these norms are implemented or potentially violated by the involved actors. The study relies on qualitative normative research methods, which involve document analysis of legal texts and secondary sources to gain a comprehensive understanding of the legal framework governing the conflict. This includes examining court decisions, legal doctrines, international treaties (such as the 1949 Geneva Conventions), and other relevant international instruments. Secondary sources, such as legal theories and expert opinions, also form a key part of the analysis. Through this approach, the research offers a comprehensive analysis of compliance with, or violations of, the principles of International Humanitarian Law (IHL) in the conflict. The document analysis process, as the primary data collection method, incorporates legal hermeneutics to interpret and clarify the meaning of legal texts, ensuring an accurate understanding of their application in the context of the Ukraine conflict. Comparative analysis is also employed to examine how IHL principles have been applied in similar conflicts, providing a benchmark for evaluating their implementation or breach in this case. The analysis focuses on primary legal materials, including treaties, conventions, official communications, and resolutions from international organizations, to establish a foundational understanding of the legal framework. These are complemented by secondary legal materials, such as academic literature, legal commentaries, and expert opinions, which provide critical insights and context. This methodological combination ensures a robust and nuanced evaluation of how IHL principles are being upheld or violated, strengthening the validity and reliability of the findings. 3. Results and discussion3.1. Legal framework for foreign fighters The status of foreign fighters under International Humanitarian Law (IHL) remains contentious and ambiguous. While the Geneva Conventions and their Additional Protocols primarily regulate the conduct of state actors and recognized combatants, they offer limited guidance for non-state participants, such as foreign fighters. These individuals find themselves in a legal gray area, as the Geneva Conventions focus mainly on the protection of civilians and combatants who are part of a state's armed forces or organized resistance groups. Common Article 3 of the Geneva Conventions and Additional Protocol II extend limited protections to non-state actors involved in non-international armed conflicts, emphasizing humane treatment and prohibiting acts like torture or degrading treatment (M, 2001). However, these provisions do not explicitly address the legal status, rights, or obligations of foreign fighters who may not be formally part of an organized state or non-state armed force. Additional Protocol I further complicates this issue. For example, Article 47 of Protocol I explicitly excludes mercenaries from the status of combatants or prisoners of war (POWs), effectively denying them the legal protections afforded to lawful combatants (Geraldy Diandra Aditya, Soekotjo Hardiwinoto, 2017). This exclusion raises questions regarding the legal status of foreign fighters who may not fit neatly into the categories of lawful combatant, civilian, or unlawful belligerent. As a result, the legal position of foreign fighters in modern armed conflicts, such as the Ukraine-Russia conflict, remains unclear and potentially subject to exploitation or abuse. A table listing key international treaties, conventions, and resolutions relevant to foreign fighters could illustrate the legal tools available for regulating their conduct and holding them accountable. The table could include categories such as. 3.1.1. Legal status and responsibilities of foreign fighters Foreign fighters have become a notable element of modern conflicts, including in Ukraine, where individuals from various countries have joined both sides of the conflict. Their participation raises significant legal and ethical questions, particularly regarding their status under International Humanitarian Law (IHL) and the accountability for their actions. IHL, as defined by the Geneva Conventions and the Hague Conventions, does not explicitly mention "foreign fighters" but provides a legal framework for determining their status based on their activities and allegiance. Foreign fighters are typically categorized as either lawful combatants, unlawful combatants, or civilians, and their rights and responsibilities are governed by the laws of war (Hasan & Haque, 2023). a. Lawful Combatants, foreign fighters who join the armed forces of a state party to the conflict (e.g., Ukraine in the context of the Russian invasion) may be considered lawful combatants. As lawful combatants, they are entitled to the protections of IHL, including protection from being targeted and humane treatment if captured. They are subject to the laws of armed conflict, particularly the Geneva Conventions, and must adhere to principles such as distinction, proportionality, and the prohibition of unnecessary suffering. However, this status is contingent upon them being members of an organized military force that follows IHL regulations.b. Unlawful Combatans, foreign fighters who join non-state armed groups, such as mercenaries or irregular militias not recognized under IHL, are considered unlawful combatants. They are not entitled to the same protections as lawful combatants and may be prosecuted for violations of IHL, including acts that could constitute war crimes. The status of unlawful combatants often leads to challenges in terms of legal accountability, as their actions may not be adequately covered by state-based military tribunals or national courts. International efforts to hold foreign fighters accountable for violations such as the targeting of civilians or the use of prohibited weapons can be complicated by the lack of a clear framework for prosecuting non-state actors.c. Civilians, foreign nationals who participate in the conflict but do not take a direct part in hostilities are considered civilians and are protected by IHL. Their involvement in combat can alter their status, and they may lose their protection from direct targeting once they engage in hostilities. This creates a complex dynamic for the prosecution and accountability of foreign fighters, as their status may change based on their activities in the field. A table that compares the legal status of foreign fighters in different contexts could help clarify the varying rights and responsibilities under International Humanitarian Law (IHL). The table could include categories such as: Here is the map illustrating the geographical origins of foreign fighters in the Ukraine conflict, showing their involvement with either the Ukrainian or Russian side. This visual provides a global context to their participation. 3.2. Ukraine's historical struggle: Russia's colonialism and imperialistic attitudes The relationship between Russia and Ukraine stretches back for centuries, characterized by a complex and often turbulent history. From the medieval period to modern times, Ukraine has faced numerous instances of Russian dominance and interference, which has shaped its national identity and its ongoing struggle for independence. This historical context is essential to understanding Ukraine's motivations to fight, as it reflects a long-standing resistance to Russian colonialism and imperialism. In the 17th and 18th centuries, Russia began consolidating its control over Ukrainian territories, particularly after the Treaty of Pereyaslav in 1654, which marked the beginning of Ukrainian subordination to the Tsarist empire (Britannica, 2025). Over the centuries, Ukraine's autonomy was eroded, and it became an integral part of the Russian Empire, with many Ukrainians subjected to harsh policies of Russification. The suppression of Ukrainian culture, language, and national identity under Tsarist rule set the stage for future tensions. The most devastating chapter of this colonial history came under Soviet rule, which exacerbated the sense of Russian imperialism. The Holodomor, a man-made famine in the early 1930s, is one of the darkest episodes in Ukrainian history. Millions of Ukrainians perished as a result of Stalin's policies, which sought to enforce collectivization at the cost of the Ukrainian people. This tragedy has left a lasting scar on the collective memory of Ukraine, fueling a deep-seated distrust of Russia and reinforcing the narrative of Ukrainian victimhood under Russian imperialism. Even after the collapse of the Soviet Union in 1991 and Ukraine's declaration of independence, Russia has continually sought to exert influence over Ukraine, often invoking its imperial past to justify intervention. Russia's annexation of Crimea in 2014 and its ongoing military actions in eastern Ukraine are seen by many as a continuation of the imperialistic attitude that has defined Russia's relationship with Ukraine for centuries. Ukraine's motivation to fight in the current conflict is deeply rooted in its desire to protect its sovereignty and preserve its cultural and political independence from Russian influence. This struggle is not just a response to Russia's aggression but a continuation of a centuries-long fight for self-determination, dating back to the period of Tsarist colonialism and reinforced by the Soviet era. The ongoing war represents Ukraine's determination to break free from the chains of Russian imperialism and secure its future as an independent, sovereign nation. 3.3. International humanitarian law review of Russia's armed attack in Ukraine After the Russian annexation of Crimea, tensions in relations between Russia and Ukraine continued until February 2022. These tensions began when NATO sought to expand its membership into Eastern Europe by inviting Ukraine to join as a member (Andi Antara Putra & Dantes, 2022). NATO has expressed its commitment to Ukraine's future membership, stating: "We reaffirm that we will be in a position to extend an invitation to Ukraine to join the Alliance when Allies agree and conditions are met (NATO, 2024b)." This position underscores NATO's openness to Ukraine's membership, contingent upon unanimous agreement among current member states and Ukraine's fulfillment of specified criteria. While NATO has not issued a formal invitation to Ukraine, it acknowledges Ukraine's aspirations and is actively supporting its progress toward potential membership. This support includes enhancing interoperability and implementing democratic and security sector reforms (NATO, 2024a). This represents an escalation of tensions between Russia and Western countries, especially NATO, as Eastern Europe has become a critical arena for competing geopolitical interests. NATO's post-Cold War expansion, which saw the inclusion of former Eastern Bloc countries such as Poland, Hungary, and the Baltic states, has been interpreted by Russia as a direct encroachment on its sphere of influence and a threat to its security. This tension was further amplified by NATO's 2008 declaration that Ukraine and Georgia would eventually become members, which Russia perceived as a red line. The strategic importance of Eastern Europe, both as a buffer zone and as a transit corridor for energy resources, adds to the stakes for both NATO and Russia. Russia's aggressive actions, including the 2014 annexation of Crimea and its ongoing involvement in Eastern Ukraine, can be seen as attempts to counterbalance NATO's growing presence in the region. Conversely, NATO's military support to Eastern European nations underscores its commitment to collective defense and the deterrence of Russian aggression, further fueling the geopolitical rivalry. Geopolitical influence and efforts to strengthen military presence in the region are important factors in the dynamics of the ongoing conflict between Russia and Ukraine. Russia's insistence that it will not allow Ukraine to "break away," viewing it as a threat to its interests and security (Mamfaluthy, 2014), raises significant tensions with international law principles, particularly the respect for national sovereignty. The United Nations Charter guarantees every state the right to sovereignty, territorial integrity, and political independence, which includes Ukraine's right to determine its domestic and foreign policies without external interference. While Russia argues that Ukraine's potential NATO membership or Western alignment threatens its security, such concerns do not justify actions that violate Ukraine's sovereignty, such as the annexation of Crimea or support for separatist movements in Eastern Ukraine. Although international law permits states to take measures to protect legitimate security interests, these must align with legal norms and avoid infringing on the sovereignty of other states. Russia's actions contravene these principles, as reaffirmed by UN General Assembly resolutions recognizing Ukraine's territorial integrity. This tension highlights a clash between Russia's realpolitik approach to securing its strategic interests and the international legal obligation to respect the sovereignty and independence of other nations. In Putin's view, all countries that are members of NATO have the full right to organize and protect their territories from all threats, both from within and outside the country (Pradana & Ramadhoan, 2022). Putin's opinion reflects the view that NATO membership by countries surrounding Russia, including Ukraine, is perceived as a threat to Russia's security. This is reflected in concerns over the deployment of NATO military infrastructure near Russia's borders, which could be perceived as a direct threat to Russia's strategic interests. Putin has therefore insisted on taking measures he deems necessary to protect Russia's interests and sovereignty. This has led to increased tensions between Russia and Western countries that support Ukraine's membership in NATO. Russia's response to Finland's NATO membership contrasts sharply with its actions toward Ukraine, mainly due to the differing historical and cultural ties with each country. Finland views its NATO membership primarily as a defensive strategy, while Ukraine's relationship with Russia has deep historical and cultural roots. Finland's strong military, combined with NATO's collective defense principles, serves as a deterrent to Russian aggression, whereas Russia, already heavily engaged in Ukraine, avoids provoking NATO. This difference highlights that Russia's actions toward Ukraine are driven by regional dominance ambitions, rather than NATO expansion. Russia's intervention in Ukraine violates the principle of non-intervention, which is a fundamental tenet of international law. Non-intervention asserts that each state has the right to manage its internal affairs without external interference (Octavia & Husniyah, 2023). Article 2, paragraph 4 of the UN Charter emphasizes the importance of peaceful dispute resolution and the avoidance of armed conflict. Russia's actions also contravene the Declaration on Principles of International Law (A/RES/25/2625, 1970), which upholds the national sovereignty, territorial integrity, and political independence of states, emphasizing that disputes should be resolved peacefully and without violence (Mahfud, 2015; Rudy, 2011). Furthermore, Article 38 of the Statute of the International Court of Justice broadens the sources of international humanitarian law (IHL), allowing for inclusion of legal principles recognized by civilized nations, international organizations, and expert opinions, not limited to international treaties (Budisantosa, 2021). This further underscores the importance of respecting IHL and the sovereignty of states in the global legal framework. While the international treaties that are the main foundation of IHL are the Hague Conventionand the Geneva Convention (Pasorong et al., 2023). The Hague Convention regulates the laws of war governing the treatment of individuals and property in armed conflicts, while the Geneva Convention sets minimum standards for the treatment of war victims, including the protection of civilians, prisoners of war, and medical personnel. These two conventions form an important legal framework for safeguarding humanity during armed conflicts and have been the main basis for the formation of further IHL rules. IHL cannot cover all actions in international wars, but parties to armed conflicts are obliged to respect and uphold the basic principles of IHL these include (Danial, 2017). a. The Humanitarian Principle: Demands that actions in armed conflict should take into account the interests of humanity and avoid unnecessary suffering of individuals not involved in the conflict.b. Military Interests: Recognizes that military actions taken should be proportionate to the military objectives to be achieved and should minimize unnecessary losses.c. Proportionality: States that military actions must be in accordance with legitimate military interests and must be proportionate to the threat faced.d. Distinction: Stipulates that parties to a conflict must distinguish between individuals participating in the conflict (military) and those not participating (civilians), as well as between military and non-military objects.e. Prohibition of Unnecessary Suffering: Prohibits acts that cause unnecessary suffering or that are incompatible with legitimate military objectives.f. Separation of Ius ad Bellum and Ius in Bello: Distinguishes between the law governing the authority to use military force (Ius ad Bellum) and the law governing the behavior of the parties to the conflict (Ius in Bello). Russia's armed attack on Ukraine violated several fundamental principles of international humanitarian law (IHL). First, it breached the principle of state sovereignty by violating Ukraine's territorial integrity and political independence, contravening Article 2, paragraph 4 of the UN Charter, which prohibits the use of force against another state's territorial integrity. Second, the attack violated the principle of distinction, as there have been reports of civilian casualties from Russian military strikes, which should have been targeted at combatants and military objectives. Third, the strikes caused unnecessary suffering to the civilian population and infrastructure, violating the prohibition against unnecessary suffering in IHL. Overall, Russia's actions are considered serious violations of IHL and universally recognized humanitarian principles. 3.4. Foreign fighters in the context of international humanitarian law The conflict in Ukraine has brought attention to the complexities of international law, particularly regarding foreign fighters in armed conflicts. According to Common Article 3 of the Geneva Conventions, the conflict qualifies as a Non-International Armed Conflict (NIAC), which involves non-state armed groups like insurgents or separatists against state forces (Brits, 2017; Mehra & Thorley, 2017; Mehra & Thorley, 2022). However, the involvement of Russia complicates this classification, leading some to argue the conflict may be an International Armed Conflict (IAC) governed by the Geneva Conventions and the First Additional Protocol, which set standards for the protection of civilians and prisoners of war (Susetio & Muliawan, 2023). The Second Additional Protocol (APII) further outlines protections for civilians and individuals not directly participating in hostilities, providing essential legal instruments for the Ukraine conflict (Ismail, 2018). Despite the ongoing debate over the conflict's classification, IHL standards, including protections against torture and inhumane treatment, apply. These standards include principles such as proportionality and distinction, aiming to safeguard civilians and regulate military conduct (Gisel et al., 2020; Murray, 2019). The classification of the conflict is crucial in determining the application of IHL, especially regarding civilian protection, and distinguishing between military targets and non-combatants (Diakonia, 2022). The influx of foreign fighters, particularly through the International Territorial Defense Legion initiated by Ukrainian President Volodymyr Zelensky, has further complicated the conflict. Since 2014, thousands of foreign fighters from 55 nations have joined the conflict, which could escalate tensions and potentially violate IHL if human rights abuses occur (Egle E. Murauskaite, 2022; Nigel Walker, 2023). The presence of foreign fighters raises significant questions regarding their legal status and responsibilities within the conflict. The term "Foreign Fighters" lacks a universally accepted definition in international law. The most authoritative definition originates from UN Security Council Resolution 2178, which references "foreign terrorist fighters." A foreign terrorist fighter is defined as an individual who travels to a country other than their own to engage in activities that support terrorism, including (Bramantyo, 2023). a. Committing acts of terrorism, characterized by violence or threats aimed at instilling fear or causing harm to civilians for political objectives.b. Planning or preparing acts of terrorism, such as target surveillance, recruitment, or weapon acquisition.c. Participating directly in acts of terrorism, providing logistical support, or harboring perpetrators.d. Receiving or providing terrorism-related training, which includes the use of weapons, explosives, or guerrilla tactics. The UN Security Council's approach to foreign fighters emphasizes counterterrorism, evident in the focus of Resolution 2178 on their roles in terrorism. However, this counterterrorism perspective has been adopted at the national level by various member states, shaping their responses to foreign fighters. Various definitions of "foreign combatants" have emerged in academic literature, with one prevalent definition describing individuals motivated by ideology, religion, or kinship to leave their country to join an armed conflict abroad (Van Poecke & Cuyckens, 2023). Key aspects of this definition include. 1) Motivation, foreign combatants are driven by ideological, religious, or familial factors rather than personal gain.2) Movement, they travel from their home country to engage in conflict in another nation.3) Active involvement, their participation extends to combat or related activities. The classification of "foreign combatants" specifically refers to individuals joining non-state armed groups in conflicts abroad, often motivated by ideological, religious, or kinship ties (Baker-Beall, 2023). This classification excludes mercenaries or volunteers driven by other factors. While national security and counterterrorism are frequently the focus of discussions about foreign fighters, categorizing them as terrorists does not negate the application of International Humanitarian Law (IHL), which applies equally to all belligerents, including foreign fighters. Their actions in armed conflicts should be evaluated according to IHL principles (Ho, 2019). The term "foreign terrorist fighters" may complicate legal proceedings by focusing primarily on counterterrorism rather than recognizing the nuances of foreign fighter involvement in armed conflicts. These individuals often participate in both non-state armed conflicts and terrorist activities (Karska & Karski, 2016). The distinction between "foreign fighters" and "mercenaries" is also important, as foreign fighters typically join armed groups for ideological reasons, whereas mercenaries are financially motivated (Floress, 2016; Dano, 2022). Russia's use of the term "mercenaries" may be intended to influence public perception and emphasize the economic aspects of their participation.  Article 47 of the 1977 First Additional Protocol (API) to the Geneva Conventions outlines the legal status of foreign fighters and the limitations on applying the Convention's provisions to individuals from non-signatory states. However, Article 47(2) reinforces that human rights protections remain in effect for foreign fighters, and the responsibilities of conflict parties under IHL are unaffected (Gregorious, 2023). As foreign fighter involvement in conflicts like Ukraine increases, challenges arise regarding their legal status and protections under IHL, necessitating careful consideration of both legal and humanitarian aspects in addressing these issues. 3.5. Human rights of foreign fighters in the context of international humanitarian law The ongoing conflict between Ukraine and Russia has resulted in severe material and psychological consequences for both the civilian population and combatants. Amidst this turmoil, the participation of foreign fighters has garnered significant attention, raising questions about their status and human rights within the framework of International Humanitarian Law (IHL). Despite their involvement in armed conflict, foreign fighters retain certain rights and protections under IHL, necessitating a thorough assessment of their legal status, actions during the conflict, and involvement in armed groups. Thus, the protection of their human rights must be carefully considered in accordance with the principles of IHL, which guarantee fair and humane treatment for all parties involved. 3.5.1. Concerns regarding due process and human rights violations The recent sentencing of three foreign fighters to death by the Supreme Court of the Donetsk Republic has raised serious concerns about adherence to international legal standards. These sentences were issued after proceedings criticized for being swift and unfair, raising alarms about violations of the right to a fair trial, including access to legal counsel and the right to present a defense. The United Nations Commission on Human Rights has previously reported violations in the region, indicating a troubling disregard for internationally recognized human rights norms. In response, the European Court of Human Rights (ECHR) intervened, directing Russia to halt the use of the death penalty and to respect the rights of foreign fighters. This underscores the critical need to uphold fundamental human rights, even amidst armed conflict, and to ensure that individuals engaged in hostilities receive basic protections recognized by international law. 3.5.2. The issue of citizenship and nationality The citizenship status of foreign fighters in the Ukraine conflict is complex due to varying national legal frameworks and policies regarding participation in foreign armed conflicts. Some countries have enacted laws revoking citizenship for involvement in terrorist activities or foreign conflicts, citing national security concerns, though critics argue these measures often lack transparency and due process, risking arbitrary deprivation of nationality. The revocation of citizenship leaves individuals in a legal limbo, vulnerable to prosecution or ill-treatment in other states. Statelessness, a common outcome of citizenship loss, exacerbates vulnerability by denying individuals access to basic rights like education, healthcare, and employment. This issue has significant implications for international human rights. The UN plays a key role in addressing these challenges by facilitating dialogue, monitoring compliance with international law, and advocating for human rights protections. Regional organizations, such as the EU, are also critical in promoting unified approaches and adherence to human rights standards in the treatment of foreign fighters. 3.5.3. Human rights protections under IHL The Geneva Conventions, particularly the Fourth Geneva Convention, emphasize the humane treatment of all individuals in conflict, including civilians and those detained. Article 3 requires non-participants in hostilities, such as civilians and prisoners, to be treated humanely, ensuring respect for basic human rights regardless of nationality or political affiliation. In light of citizenship revocation, states involved in armed conflict must assess their obligations under International Humanitarian Law (IHL) to avoid human rights violations. Revoking citizenship can undermine protections for prisoners of war (POWs), who are entitled to humane treatment, a fair trial, and protection from torture. Arbitrary revocation of nationality risks violating due process, leaving individuals stateless and vulnerable to ill-treatment. States must ensure that national security policies do not compromise fundamental rights. Upholding human rights is not just a legal requirement but a reflection of a state's commitment to justice. International organizations, such as the United Nations and regional bodies, have a crucial role in monitoring compliance and advocating for the rights of those affected by armed conflict. 3.5.4. Obligations of states and international accountability The right to return is a fundamental principle in international law, safeguarding individuals from arbitrary state actions that could lead to statelessness or human rights violations. This right is especially relevant for foreign fighters, who may face citizenship revocation upon returning from conflict zones, further exacerbating their vulnerabilities. The International Committee of the Red Cross (ICRC) stresses that states are obligated to investigate war crimes committed by their nationals and ensure accountability. Revoking citizenship and transferring legal responsibility to other states can create a culture of impunity and hinder accountability for war crimes. Denying the right to return can lead to further human rights abuses, including inhumane detention or exposure to violence in conflict zones. Article 12 of the ICCPR affirms that all individuals have the right to return to their own country, emphasizing that this right is not contingent on actions or affiliations. States must avoid arbitrary deprivation of nationality, particularly in conflict contexts, to preserve these rights. Adhering to International Humanitarian Law (IHL) and human rights standards is crucial to maintaining trust and accountability within the international community. A balanced approach that considers both security and humanitarian principles is necessary in addressing modern conflicts. 4. Research limitations While this study provides valuable insights into the legal frameworks surrounding foreign fighters in the context of the Russia-Ukraine conflict, it is important to acknowledge several limitations. First, the study is limited to a normative analysis of IHL, focusing primarily on the legal aspects of Russia's military aggression against Ukraine, without delving deeply into the political and social dynamics that also play a significant role in shaping the conflict. Second, the sources of data utilized are predominantly drawn from international legal documents and reports issued by international organizations, which may not fully capture the perspectives of all parties involved, particularly those who are underrepresented in global discourse. Third, while the study adheres to established international legal approaches, it faces challenges in assessing the practical application of IHL in the field, due to difficulties in obtaining sensitive or potentially biased information from diverse sources. Fourth, the research does not specifically address the role of third-party states supporting one of the conflicting parties, a dimension that could significantly complicate the interpretation of IHL. In light of these constraints, it is recommended that future research adopt a more holistic and inclusive approach to explore these complexities in greater depth. 5. Conclusion The ongoing conflict between Russia and Ukraine involves direct military engagements between Russian and Ukrainian forces, along with the participation of pro-Russian separatist groups in eastern Ukraine. Foreign combatants have also become a significant factor on both sides of the conflict. Individuals from various countries have joined the Ukrainian side, either as volunteers or part of organized military units, while Russia has provided support to pro-Russian factions, including involvement of Russian foreign combatants. The legal status of foreign combatants is unclear under International Humanitarian Law (IHL), which primarily addresses the rights and obligations of states, military forces, and civilians, leaving ambiguous the status of foreign combatants, whether they act on behalf of non-state armed groups or as independent volunteers. There is a need to avoid misusing terrorism laws that do not differentiate between foreign volunteers, combatants, and mercenaries, as this could undermine the core objectives of IHL, which include ensuring humane conduct in war. IHL's primary goal is to mitigate human suffering during war, not to prevent conflict. It aims to make warfare more humane, ensuring that all combatants, including foreign ones, enjoy the same human rights as nationals. Violations of these rights, such as deprivation of citizenship or the right to life, cannot be justified under any circumstances. As the conflict persists, all parties must respect IHL to safeguard the dignity of individuals and ensure justice and accountability in the conflict. CRediT authorship contribution statementKhoirunnisa Khoirunnisa: Conceptualization. Brian Matthew: Resources. Didi Jubaidi: Conceptualization. Agung Yudhistira Nugroho: Conceptualization.Data availability statementThe data used in this study were obtained from publicly available sources such as the Open Access Library, DOAJ (Directory of Open Access Journals) and , as indicated in the Data section of the article.Funding statementThis research was supported by a grant from xxxxxxxx which had no role in study design, data collection, analysis, interpretation of results, or writing of this article.Declaration of competing interestThe authors declare that there are no conflicts of interest associated with this publication. No financial, personal, or professional relationships with other individuals or organizations have influenced or could potentially influence the work presented in this manuscript.AcknowledgementsThe authors would like to thank all those who have provided technical support and valuable input during this research process.Khoirunnisa Khoirunnisa, Brian Matthew, Didi Jubaidi, Agung Yudhistira Nugroho, The Ukraine-Russia conflict: An international humanitarian law review of the involvement of foreign fighters, Social Sciences & Humanities Open, Volume 11, 2025, 101340, ISSN 2590-2911, https://doi.org/10.1016/j.ssaho.2025.101340.ReferencesAkbar and Sadiawati, 2023, M.N. Akbar, D. Sadiawati, Analysis of the Russian invasion of Ukraine in terms of humanitarian law, Jurnal Ilmiah Mizani: Wacana Hukum, Ekonomi, Dan Keagamaan, 10 (1) (2023), p. 160, 10.29300/mzn.v10i1.10760Alexander, 2023, A. 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Abstract Recent changes in US foreign policy and strategic posture have forced Europe to think about meeting its security needs without US support. One issue that requires a particular focus is the question of how to deter and defend against Russia in a conventional war. This article attempts a high-level assessment of European military capability and considers whether existing military doctrine is adequate. It argues that Europe should maintain its focus on NATO’s manoeuvrist mode of war fighting and identifies key capability gaps that need to be filled for (a) a coalition of the willing and (b) Europe as a whole to be able to fight in this way. It cautions against an unduly defensive, attritional method of fighting, based on conscript armies, as playing to Russia’s strengths instead of our own. Introduction War has come back to Europe and so has the need to think about how to fight it. Between 24 February 2022 and 21 January 2024, we put the need to rethink our defence to one side, because the Biden administration allowed us the luxury of being able to repurpose Cold War institutions (most obviously NATO), deterrence and habits to support Ukraine and dissuade Russia from another overt attack. This was a mixed blessing, because while it saved us the need to put our societies and economies on a war footing, it also blinded us to the need to build something new. The old system was not the best to contend with Russia’s aggression. While the US had only half an eye on Europe—with the rest of its focus on China—Western Europeans continued to free-ride on American resources. Neither Germany’s Zeitenwende, nor the aspersion cast by Emanuel Macron that ‘NATO is brain-dead’ (Macron 2019) translated into larger defence budgets, increased orders for ammunition, the conversion of civilian manufacturing to military use or the running of plants in shifts to replenish stockpiles. Only the Nordics, Baltics and Poland really moved to a war footing, and even their restructuring suffered from a desire, exposed as wishful thinking by Trump’s victory in November 2024, to keep the US involved. Now, with the US being led by an unstable pro-Russian Donald Trump and an anti-European JD Vance, the choice has been made for us. Steps are already being taken to prepare Europe’s industrial base, whether it is the creation of a European defence commissioner, Germany’s removal of its debt brake or initiatives such as the EU’s proposed Security Action for Europe (SAFE) financing instrument. But our political elite also needs to educate itself beyond these industrial and economic matters. War has once again become an essential part of what every responsible political leader needs to know. As it had been until 1945, if not 1989, some understanding of the military arts has, unfortunately, again become indispensable for European statespeople. This article will start by outlining certain concepts to help inform our debate about how we defend ourselves against Russia. It will relate them to the state of our military equipment, and pose questions about how we should fight with what we have, and how we should make more of what we need to fight in the way that gives us the maximum advantage over Russia. It will ask what elements of the existing NATO way of war should be kept, and which ought to be replaced, as a new European way of war—a European ‘doctrine’—is developed. And it will identify the key gaps in capability that need to be filled to apply such a doctrine in two scenarios: one where most of Europe confronts Russia (excluding neutrals, such as Ireland or Austria; potentially hostile states, such as Hungary and Slovakia; and Greece and Turkey, which deploy military resources to deter a conflict between themselves), and another where the burden is taken up by a coalition of the willing. This coalition is drawn up narrowly to constitute the Nordic–Baltic Eight (NB8),1 the UK, Poland and Ukraine. Other countries, for example, Czechia and the Netherlands, would currently be considered part of this coalition, but their contributions have, conservatively, been excluded for the purpose of this assessment. This article does not assume that the European military effort should replicate the American one (for the cost of replication, see Wolff 2025). Instead it seeks to assess how Europe would deter and defeat Russia in ways that exploit our advantages against the Russian military. We do not need to replace the Americans one-for-one, but nor should we replicate Russia’s relatively low-technology and low-skill warfare. That would be to give up the strongest advantages our free and technologically advanced societies provide. Centre of gravity The first concept we need to outline is the ‘centre of gravity’: the phrase, whose application to war we owe to Clausewitz (1918, 270), refers to that feature of a belligerent that will cause it to change its behaviour when subject to pressure. The aim of military strategy, he argued, was not necessarily the destruction of the enemy’s forces, still less their population, but the application of force to their centre of gravity in order to achieve your war aim. With this in view, the most important question for European military planners is, where is Putin’s, or Russia’s, centre of gravity? This question will occupy our strategists’ minds for the foreseeable future: its answer includes determining whether it is Putin, or some other group in the Russian elite, such as the military, energy producers or business oligarchs, on whom pressure should be applied, and if so what pressure is required. Under what conditions would Putin sue for peace, or be replaced by someone who would, if Russia extended its war to conventional military aggression against Europe? Only once these conditions have been identified, is it then relevant to ask how they might be brought about. This consideration of centre of gravity begs an important question: how is Russia to be deterred from attacking Europe? How can sufficiently severe consequences be imposed on Russia, bearing in mind that the loss of almost 400 aircraft (Minfin.com.ua 2025) and several thousand tanks, and close to a million men killed and wounded have not been enough to push Putin to retreat from Ukraine? It is, however, necessary to pose this question, because there is a temptation to avoid it by focusing on ‘deterrence by denial’. This idea would be to defend ourselves in the manner in which the Chinese are thought to defend themselves against the US: by preventing US forces from landing in China by attacking its large, expensive ships. This does not apply to the Russian case for two reasons: first, Russia is willing to sacrifice men and equipment in human-wave assaults; the only equipment it seems to have decided to preserve is its air force. Second, Russia has a land border with Europe, so it does not need to attack using small numbers of vulnerable ships. Denial is extremely difficult against human-wave attacks, as US forces found in Korea, and Iraqis found in the Iran–Iraq war when revolutionary Iran employed them. (See Meyer zum Felde 2024 for a deterrence by denial–focused approach.) Order of battle A second concept is the ‘order of battle’: what are the forces arranged on either side of a conflict and how do they measure up to each other? As well as military units, it is worthwhile also considering the broader elements of societal strength—economic, political and cultural—that each side has, and how these contribute to the war effort. For example, our open societies leave us more vulnerable to hybrid attacks and disinformation, but on the other hand supply great strength and flexibility. Democratic societies do not wait for the government to tell them what to do, but organise social defence in ways that dictatorships find more difficult; the market economy possesses enormous flexibility that centrally planned systems do not; and an entrepreneurial can-do culture can also produce superior military performance through the concept of ‘mission command’ (see below). But the first question is who would be fighting? Sometimes pieces are written as if it would only be Britain and France confronting Russia (Barker et al. 2025), but borders have shifted since the Cold War: Eastern Europe, including the highly capable Polish and Finnish militaries, as well, of course, as Europe’s strongest army, Ukraine’s, would be arrayed against Moscow, not operating under its orders. Europe’s total military-age population is considerably greater than Russia’s. If Austria, Hungary, Ireland and Slovakia are excluded for political reasons, and Greece and Turkey as well, because they will wish to preserve resources in case a conflict breaks out between them, ‘Europe’ has 89.5 million military-age men and 88 million military-age women, compared to Russia’s 31 million military-age men and 33 million military-age women.2 The question of how such forces are recruited and generated, particularly in the economically more successful parts of Europe, is of course relevant, but the sheer capacity to provide sufficient personnel is not in doubt. It is useful to consider the matter of mobilisation. Russia was in transition from a conscript to a professional army when it launched its attack on Ukraine. It still mobilises 160,000 men per year, mostly to fill rearguard positions and free up front-line deployment for professional troops. This is equivalent to 17% of the annual cohort of young men.3 Europe (as defined above) could generate similar forces without much difficulty. A one-year cohort of the European population includes 2.7 million men and 2.5 million women. Even if it limited itself to calling up men, it would only need to recruit 6% of the population. Such a number would be feasible with a voluntary reserve service programme, and would not require universal conscription. Considering the countries most at risk of Russian aggression, and most likely to need to defend against it, presents a starker picture. The NB8 plus Poland and the UK between them have an annual cohort of 7.7 million men and 7.3 million women. If the male population of these countries took part in military service at the same rate as Russians, this would generate 130,000 personnel, requiring an additional 30,000 female personnel to match Russian numbers. This would require a female reserve participation rate of 4%, which is an achievable figure. For example, at least 25% of Norway’s annual conscription quota comprises women. Despite a recent surge in calls to reintroduce universal military service in Europe, this is not necessarily advisable in all countries. Training a large cohort of conscripts takes resources away from exercises and advanced training for professional officers. While it may be justified for small nations on the front line, it is not the best use of resources for larger countries. The required manpower needs can in most cases be met by a selective reserve system. European stocks of platforms (as distinct from ammunition stocks, which are dangerously low) are also not outrageously out of balance with the requirement for a mission against Russia, though this is partly due to Ukraine’s destruction of Russian equipment since 2022. The following (table 1) compares stocks of fighter jets, main battle tanks and artillery pieces across several groups of European countries (some including Ukraine) versus Russia. This analysis is necessarily somewhat crude, as it excludes infantry fighting vehicles, mortars and other equipment. It also completely sets aside analysis of naval forces. Its fighter aircraft figures comprise fourth-generation fighters, old fighters (predating the fourth generation or the Warsaw Pact) and F35s.4 Finally, these figures do not take future production (either European or Russian) or the evolution of land and air drones into account (International Institute for Strategic Studies 2024).   Source: International Institute for Strategic Studies (2024). Note: This table compares the main platforms (fighter jets, main battle tanks and artillery pieces, including rocket artillery) that various European countries have at their disposal. Countries are placed in different categories and then compared against Russia. Each category also appears in two variants: one including Ukraine, and one that does not include Ukrainian forces. The ‘NB8+ coalition’ is the NB8 plus the UK and Poland. Non-neutral Europe means EU members plus the UK and Norway, but minus Ireland, Austria, Hungary and Slovakia. Using this table one can see, for example, that the NB8+ coalition has 542 fewer fighter jets at its disposal than Russia but essentially the same number of main battle tanks. With the exception of the scenario in which only the NB8+ coalition and Ukraine face off against Russia, Europe currently has approximately the required numbers of platforms to resist a Russian attack (bearing in mind a deficit in artillery pieces if Ukraine is not included). This leads to the following conclusions: • Ukraine needs to be considered an integral part of European defence against Russia, and its defeat would allow Russia to focus its forces on EU territory.• The coalition faces a notable air-power shortage in confronting Russia. While it has enough planes to deter Russian use of its aerospace, it does not have sufficient equipment to attempt to establish air superiority.• At an overall European level the priority should not be buying new platforms. Platform acquisition should be part of any rearmament plan, but priorities should be determined by the specific needs of a campaign against Russia, with importance given to filling the key gaps needed to conduct such a campaign. Platforms, ammunition and network-centric warfare The analysis above is only a first approximation of military strength. It considers only equipment and mobilisation potential, rather than force generation, and concentrates on land and air forces, setting aside the navy because a Euro-Russian conventional war would largely be fought on land. (The air force calculations do include naval aviation equipment, however, as these could be brought to bear). It also deals only with the main ‘platforms’: main battle tanks, fighter planes and artillery pieces, ignoring armoured personnel carriers and infantry fighting vehicles, engineering and support equipment, and, most importantly, ammunition. Simply replicating Russian numbers of platforms without considering communications, software and unmanned systems risks equipping ourselves to fight the last war (Tallis 2025). The spectrum that runs between a platform, which serves to move weapons systems into a place where they can be fired, and a piece of ammunition, fired from a platform, is another dimension of analysis. For example, during the Second World War the distinction was clear: an artillery shell was ammunition; an artillery piece a platform. But how should one categorise a cruise missile, which could be launched from a plane (so it appears to be ammunition launched from a platform), or directly from land, in which case it could arguably be a platform on its own? What is the difference between a cruise missile and a long-range drone? The war in Ukraine has seen the rapid development of short-range single-use drones that behave, in some ways, like super-intelligent artillery shells; and actual shells have incorporated guidance systems, and even propulsion systems, so that they have become what are known as ‘loitering munitions’. The point here is that strength is not just measured by platforms, but by the things that can be delivered to the battlefield with them (or independently of them), and an assessment of military strength needs to include an understanding of stocks of ammunition, the ability to replenish it and to fire it at where it is needed. This brings us to the idea of networks. War has always given the advantage to the side that could bring force to bear in a coordinated fashion while itself avoiding being the target of a coordinated enemy attack. The latest iteration of this is known as ‘network-centric warfare’, which, in its ideal form, means that every participant in the battle, from planes and ships all the way down to individual soldiers and drones can observe the ‘battlespace’ and communicate information about it to the right layer of command. Using this information, commanders, assisted by artificial intelligence, can decide where ‘effect’ is to be concentrated to bring about maximum damage to the enemy, more quickly than it can cause damage. This capability is not necessarily confined to the most expensive high-tech armies. Ukraine has shown how off-the-shelf electronic components can be added to existing systems to improve them (for example, to allow its artillery to concentrate fire on a single target despite the artillery systems themselves being dispersed). Precision If in the popular imagination precision weapons are used mainly to reduce collateral damage (and this was indeed their main use during the campaigns against terrorist groups in the first two decades of this century), in high-intensity war their advantage is that they conserve resources and time. Even if an individual precision artillery shell is more expensive, it is more useful to be able to use one or two guided shells to hit a target than 30 or 40 unguided ones. Not only is less ammunition used, but fewer troops are needed to operate it, and the wear and tear on the artillery pieces is considerably less. Precision results in greater ‘effect’ from the inputs to the process. Though sometimes presented as its opposite, precision should be understood as a way of delivering ‘mass’; this concept, also from Clausewitz (1918, 98), refers to the quantity of force that can be brought to bear against an enemy at a particular time. It matters because fighting is not a continuous linear process where the amount of force one applies has an effect in proportion to its quantity—in war having more power at one place at the right time means you will win the battle and the enemy will be weaker for the next one. The slightly stronger force can often inflict damage on the weaker one in a way that is disproportionate to the difference in their strength. To take a simple example for the purposes of illustration, suppose we start with 100 tanks, and so do they. Thanks to our commander’s skill we are able to concentrate 50 of our tanks against 40 of theirs. We lose 10 tanks, they lose 35. Now we have 90 tanks, they have 65. In this example our ability to get those extra 10 tanks in the right place has given us an advantage that can be pressed further in the next battle. It is these facts that underpin the approach that NATO, and the West more broadly, has applied to fighting. Although Western democracies have been able, due to their superior economic systems and technological advantage, to outproduce their enemies, winning a war of attrition is not where they consider their advantage to come from. Instead they emphasise their speed of movement and thought, and their ability to confuse their enemies, tricking them into dividing or misdirecting their forces, and then pouncing at the right moment; this is the ‘manoeuvrist’ creed of war, in which we fight smart and overcome the enemy by more than brute force. It is important not to draw the distinction between attrition and manoeuvre too crudely. Manoeuvre warfare is easier when you have more and better kit, and your leaders are informed by better intelligence obtained through technological as well as human sources. It also takes advantage of the characteristics of free societies. Manoeuvre warfare is strengthened by ‘mission command’: the notion that subordinate officers are given the ability to decide exactly how to fulfil their orders. This gives Western militaries a flexibility that is absent from the armies of dictatorships, in which such freedom is rarely granted,5 but of course this depends on officers and soldiers being sufficiently well-trained, and possessing a good enough level of general education, to operate independently. It is the best way for us, as free and well-educated peoples, to fight—it is not necessarily the best for everyone. A manoeuvrist force, is, as the name suggests, on the move. It is constantly advancing, communicating its changing position, attempting to bypass and confuse the enemy. It operates at a high tempo in order to overwhelm the enemy mentally as well as physically, and the ability to sustain this type of fighting informs training, equipment command and intelligence: ‘the key to winning battles is to have greater forces at the key location than does the enemy. The trick is to outwit the enemy and thus out-concentrate him at the right time’ (Warden 1998, 79). This matters for learning the right lessons from Ukraine’s fight for survival. Ukraine has only been able to master some of the lessons of manoeuvrist warfare. It has been hampered by its limited capacity in the air, which slows it down and makes it hard to break Russian lines except with artillery and long-range fire (such as the famous HIMARS rockets). It is in transition from Soviet- to Western-style command. But it has also shown tremendous capacity to innovate, particularly in its use of drones to hold a defensive line. Ukraine’s tremendous first-person drone capacity allows it to stop Russian attacks while risking far fewer troops (drone operators work behind the lines, where they are at much lower risk than the men in the trenches) and even compensate for artillery.6 These principles feed into NATO’s existing doctrine (NATO 2022), which involves identifying the enemy’s centre of gravity, achieving air superiority to deliver firepower against its command and control nodes, and then overcoming its disoriented forces at speed. It relies on synthesising intelligence through networks of sensors and exploiting the information they provide to deploy massed precision against them. Such operations, however, require certain capabilities that depend on equipment and structures provided mostly by the US. The first of these is NATO’s command structure. NATO’s armies have a single command structure that conducts exercises together. At the top is the Supreme Allied Commander (American) and the Deputy Supreme Allied Commander (European). American units are integrated throughout the force structure. European forces will need to plan, exercise and be ready to fight without these American elements—it is not merely a matter of detaching them. The second is the intelligence and planning capability to carry out those war plans and adapt to the evolving battle. These integrate intelligence gathered from sensors, satellites and human sources, and artificial intelligence is increasingly involved in its processing as extremely large amounts of data must be handled quickly and secretly. As well as certain sensors (satellites and aircraft), the US’s processing software is also vital here, though Europeans have equivalent capabilities at reduced scale. Third are the sensors, software and missiles needed to suppress enemy air defences (SEAD). SEAD missions are a prerequisite for establishing air superiority against adversaries that possess sophisticated air defence systems, such as Russia. Indeed, the failure of Russia’s SEAD missions in Ukraine, and Ukraine’s ability to deter Russian aviation, may also indicate that an effective air defence is easier to mount than had been thought.7 Europe, however, currently lacks the ability to make the latest generation of anti-radiation missiles (which target enemy radar) essential to the success of SEAD. India’s poor performance against Pakistan, where it appears to have attempted to conduct deep strikes against its rival without conducting SEAD, underlines the importance of these capabilities (Economist 2025). It will take some years to develop them, and this needs to be prioritised. A full discussion of the requirements for successful SEAD against Russia can be found in Bronk and Watling (2025). Finally there is the question of Russia’s nuclear threats. Though the UK and France possess ‘strategic’ nuclear arsenals, these, because they threaten the complete destruction of the world, can only credibly deter the most extreme sort of attack. Russia and the US both have low-yield or ‘tactical’ nuclear weapons, and Russia has regularly threatened to use them. These threats would significantly complicate elements of a European campaign to deter Russia, which might involve actions such as seizing Kaliningrad or advancing from Finland towards the environs of St Petersburg. Europe needs the ability to restrict Russia to conventional weapons in such circumstances. Though such deterrence does not have to be supplied using tactical nuclear weapons of our own (Hoffmann 2021), these would be the most straightforward instrument for this purpose. As the UK’s nuclear weapons systems are submarine launched (and use American missiles), France’s arsenal would have to be expanded to provide this capability, and be able to be deployed closer to the front as, for example, Donald Tusk has hinted.8 Conclusion and recommendations Fighting without the Americans does not necessarily mean we need to replace exactly what they used to supply. Instead we need to understand the mission required, which is to deter Russia by credibly showing how Russian forces would be defeated, in the field, should Putin attempt to attack us. In an ideal world this credible threat would cause the military to remove Putin should he attempt further adventurism against Europe, but we cannot rely on such an eventuality. This means that we have to think carefully about how we would fight and sustain political support for a major European war. The good news is that provided that the bulk of Europe is willing to contribute, we have the resources and equipment needed to defeat Russia. Upgrades, in particular in SEAD capability and tactical nuclear weapons, need to be made, but they are not out of reach. In addition, we have a solid basis in military doctrine that can be used to organise a campaign that takes advantage of our military cultures and technological lead. The less good news is that the countries that can be guaranteed to make up a ‘coalition of the willing’ (the NB8 plus Poland, the UK and Ukraine) would currently struggle to mount an offensive campaign on their own. They would, in particular, struggle to field a sufficiently large air force to win air superiority over Russia, though they have enough aircraft to deny Russia air superiority of its own. This would limit their ability to put manoeuvrist doctrine into practice, and, notwithstanding advances in drone warfare pioneered by the Ukrainians, could cause them to fall back to static defence and attritional warfare, as illustrated by the proposed Baltic Defence Line. Such an approach would stretch the human resources of a coalition of the willing extremely thin. It is perhaps ironic that Europe as a whole could win a war of attrition against Russia, but it also would not have to, as it could prosecute a campaign of manoeuvre against the Russian military and Putin’s state. Accordingly my recommendations are laid out below. Europe should focus on what it needs to defeat Russia, rather than what would be required to replace the American commitment to NATO. Nevertheless, it should not, as a whole, revert to using conscript-based armies designed to fight a war of attrition against Russia. These give up the greatest advantages of technologically advanced free societies and would leave us fighting the kind of war Russia would want us to fight. Certain small front-line states might need to make different calculations. Universal military service might be required so that they can, in extremis, mount a defensive campaign—for example, if Finland and the Baltic states were required to fight on their own without support from European allies. This highly extreme scenario is sufficiently unlikely that it should not form the basis of other countries’ military planning. The core ‘coalition of the willing’—the Nordic countries, the Baltic states, plus Poland, the UK and Ukraine—could defend themselves against Russia, and with some effort would be able to conduct an offensive campaign to bring about Russian defeat. They would need, however, to make important improvements to their defence. The coalition would require an integrated command structure and a programme of exercises. The expansion of the UK-led Joint Expeditionary Force and the UK’s command headquarters would be a suitable nucleus for such capability. The coalition would face a manpower deficit compared to Russia, and matching Russian mobilised reserve levels would be a challenge. The coalition could, however, match Russian mobilisation levels with a Swedish- or Norwegian-style selective military service programme for young men and women (it could achieve sufficient coverage for defensive purposes by recruiting 16% of men and 6% of women each year). The coalition is also severely short of aircraft with which to pursue an air superiority campaign against Russia. Though it would fare better than Ukraine on its own, increasing the size of the coalition’s air forces must be a priority, and the risk of over-dependence on the F35 needs to be considered. Though ‘kill switches’ are a myth, a sovereign spare parts supply chain (as Finland is creating) and sovereign intelligence software (as used by Israel) are required to reduce the risk of US unreliability. The coalition would also need to consider replacing the F35’s intelligence and command capabilities with replacements that could operate on European aircraft, such as the Gripen or Rafale. The lack of stealth capability would also hamper the coalition’s air forces until a sixth-generation fighter could be developed. Europe as a whole has forces of the necessary scale to conduct operations against Russia. Its shortfalls in ammunition production and inefficiencies due to the diversity of its equipment have been covered elsewhere. Some inefficiency is likely to persist as long as Europe remains a relatively decentralised continent, but it is likely to be better to bear the extra cost now, than waste time with the ambitious political integration projects required to eliminate it quickly. Europe as a whole would need to develop its own command structure. At this level it may be possible to repurpose NATO’s Supreme Headquarters Allied Powers Europe (SHAPE) using the Berlin Plus process, though care would need to be taken to avoid a potentially hostile US, as well as unfriendly NATO members, such as Hungary, blocking operations. As urgent as ammunition production (a category that includes missiles as well as artillery) is the manufacture of equipment to conduct SEAD campaigns. Reviving European capacity to produce anti-radiation missiles and in intelligence capability to uncover targets for them should be a matter of the highest priority. The final priority area is the expansion of Europe’s tactical nuclear capability. Though the French and British strategic arsenals can provide the ultimate deterrence against Russia, tactical, or low-yield, weapons are needed to deter Russia from threatening European forces with its tactical nuclear weapons. As the British programme is not suitable, these would have to be based on the French programme, and questions related to how this expansion would be paid for, and how tactical nuclear use would be authorised, would need to be addressed. Footnotes1. Iceland, Norway, Sweden, Denmark, Finland, Estonia, Lithuania and Latvia.2. These estimates are based on Eurostat data for the EU member states, the Office for National Statistics population projections for the UK and the most recent available data for Russia, which is based on UN data not currently available but which have been reported on Wikipedia. The Russian data are from 2012, so these overestimate Russian demographic strength slightly. The military age calculation aggregates the standard five-year demographic groups between 20 and 49. Obviously a military may mobilise younger and older people as well, but the comparison remains valid.3. In this case, by taking the 10-year sample of 15–24-year-olds and dividing it by 10 to smooth out fluctuations. Again, because of declining Russian demographics (even without accounting for losses due to the war), this is likely to be an underestimate of the proportion mobilised (because the total number of 18-year-old men is lower than the statistics indicate).4. F35s are easily the most advanced fighter available, and the only one reliably able to penetrate Russian air defences before suppression of enemy air defence missions have been accomplished. The deterioration in relations with the US, however, poses questions about the ongoing reliability of the supply chain associated with them. Though ‘kill-switches’ are a myth, European countries will need to maintain their own spare parts supply and software upgrade path if they are to gain the most out of the aircraft in the long run. Finland, for example, is establishing its own sovereign spare parts supply, and Israel has a sovereign software intelligence solution on its F35s.5. An exception was the Wehrmacht, which inherited mission command from the Prussian Army; however, its generals found themselves micromanaged by Hitler, which (fortunately) affected their performance.6. These small drones are very different from those deployed in the early stages of the war such as the Bayraktar TB2 or Western drones such as the Reaper. They are much closer to ammunition than platforms, and (in good weather, at least) replace artillery or close air support.7. It could also indicate that Russian aviation is not as good as had been thought, but it would be dangerous to plan on that assumption.8. Author’s conversation with a Polish official who wished to remain anonymous.ReferencesBarker K., Smialek J., Erlanger S. (2025). Europe prepares to face Russia as Trump’s America steps back. New York Times, 24 February.Bronk J., Watling J. (2025). Rebalancing joint fires to deter Russia. Royal United Services Institute Occasional Paper. London, 15 April. https://static.rusi.org/rebalancing-european-joint-fires-to-deter-russia.pdf. Accessed 15 April 2025.Clausewitz K. von. (1918). On War. Trans. Graham J. J. (London: K. Paul Trench, Trubner & Co.)Dalaaker A. (2017). Statement by Norway on gender equality in the military – universal conscription. Organisation for Co-operation and Security in Europe. 8 March. https://www.osce.org/files/f/documents/b/9/304861.pdf. Accessed 9 April 2025.Economist. (2025). Chinese weapons gave Pakistan a new edge against India. 15 May. https://www.economist.com/asia/2025/05/15/chinese-weapons-gave-pakistan-a-new-edge-against-india. Accessed 16 May 2025.Hackett M., Nagl J. (2024). A long hard year. Russia–Ukraine war lessons learned 2023. Parameters, 54(3), 41–52.Hoffmann F. (2021). Strategic non-nuclear weapons and strategic stability – promoting trust through technical understanding. Fondation pour la recherche strategique. https://frstrategie.org/sites/default/files/documents/programmes/Programme TNP - P5/2021/202103.pdf. Accessed 9 April 2025.International Institute for Strategic Studies. (2024). The military balance. London: Routledge.Meyer zum Felde R. (2024). Kann sich Europa konventionell gegen eine militärische Bedrohung durch Russland behaupten? Sirius, 8(3), 267–83.Minfin.com.ua. (2025). Casualties of the Russian troops in Ukraine. Updated daily. https://index.minfin.com.ua/en/russian-invading/casualties/. Accessed 5 March 2025.Nagl J., Crombe K. (2024). A call to action: Lessons from Ukraine for the future force. Carlisle, PA: US Army War College Press.NATO. (2022). Allied joint doctrine. December. https://www.gov.uk/government/collections/allied-joint-publication-ajp. Accessed 9 April 2025.Tallis B. (2025). Emerging defence: Offset and competitive strategies for Europe. Democratic Strategy Initiative. https://www.democratic-strategy.net/_files/ugd/dcfff6_ca54854b6dc7499e829a5fa4d7b01b74.pdf. Accessed 16 March 2025.Warden J. (1998). The air campaign: Planning for combat. Washington, DC: National Defence University Press.Wolff G., Burlikov A. (2025). Defending Europe without the US: First estimates of what is needed. Bruegel, 21 February. https://www.bruegel.org/analysis/defending-europe-without-us-first-estimates-what-needed. Accessed 9 April 2025.

In Latin America, Cuba, Nicaragua, and Venezuela are not alone in their support for Russia and its invasion of Ukraine. In many cases, support has been disguised as an interest in peace or a neutral stance towards the conflict, as seen in the cases of Colombia, Mexico, and Brazil. While we find manifold diplomatic approaches toward Russia and Ukraine in Latin America, the underlying motivations can be understood in terms of support or rejection. While a majority of nations reject the invasion, considering it a threat to territorial sovereignty and self-determination, others have been reluctant to place any blame on Russia. More broadly, there has been less of an ideological bloc and more of an anti-imperialist or anti-colonial sentiment, with a few exceptions, such as Gabrie Boric from Chile who has publicly repudiated Russia’s aggression against Ukraine. His opposition is a departure from other Latin American leftist leaders like Luiz Inácio Lula da Silva and Gustavo Francisco Petro who have been more critical of Volodymyr Zelensky than Vladimir Putin. However, we can still identify three distinctive approaches to the crisis: 1) geopolitical, 2) economic, and 3) historical. The region has a keen interest in keeping its doors open to Russia. BRICS members like Brazil have managed to maintain their alleged neutrality in the pursuit of peace—even as President Lula has explicitly supported  Putin—while simultaneously protecting their economic interests. Others like Colombia and Mexico have shielded their unwillingness to condemn Putin’s invasion of Ukraine in an apparent push for peace. On the economic front, attitudes towards Russia are more tenuous given that Russia’s capability for foreign direct investment has been significantly reduced by the brunt of the war, along with the impact of the economic sanctions that followed their aggression. To be sure, Russia’s investments in the region have been winding down for some time, with a decreasing profile in areas such as energy, oil, and gas, as well as software and IT. However, the economic ties are more significant in the cases of Cuba, Nicaragua, and Venezuela—where they are joined more by their subjection to economic sanctions, and therefore the necessity to evade the consequences of economic isolation. There are specific areas key to this alliance: Russian fertilisers, along with oil and diesel, are critical to bypassing Western sanctions. Meanwhile, historical ties are more consequential than is commonly understood. Misinterpretations of Russia’s Soviet past by leftist-governed Latin American countries and longstanding social and cultural commonalities partially explain the continued support from diverse leaders such as Lula and Jair Bolsonaro in Brazil. These ties, rooted in shared anti-colonial sentiments and cultivated over decades, and regardless of ideological shifts, illustrate Russia’s multifaceted regional influence. This context underscores the fact that Russia’s regional impact transcends ideological lines, with both left and right-wing governments either explicitly supporting Russia or criticising Ukraine’s NATO aspirations to justify Russia’s aggression. The return of Donald Trump to the White House has prominent leaders of the Latin American left aligning with the new administration, resulting in significant consequences for the region. The new US administration’s criticism of Kyiv resonates with positions held by Brazil, Mexico, Colombia, Cuba, and Nicaragua. Despite ideological differences, their alignment emerges from a mix of political affinities, geopolitical strategies, and historical connections. Putin’s explicit defiance of Donald Trump’s negotiation efforts raises questions about Latin America’s influence over the conflict, largely due to its initial reluctance to adopt a decisive stance against Putin. The lonely voice condemning Putin’s war of attrition continues to be Chilean President Gabriel Boric, in stark contrast to Lula DaSilva and Gustavo Petro, who remain in Putin’s corner, making it unlikely they can be viewed as honest brokers in a peace initiative. Trump’s policies have prompted Brazil and Colombia to voice limited concerns about US plans for Ukraine, although still refraining from outright condemnation of Russia. This stance appears less a genuine support for Ukraine and more an opposition to US involvement in peace processes, even blaming Ukraine as partially responsible. Meanwhile, ideology alone has proven insufficient to prompt unified condemnation of Russia or widespread support for Ukraine in Latin America. Previous efforts by the Biden administration to secure regional military assistance for Ukraine were met with firm rejection and reluctance. This distancing, interpreted as tacit support for Russia, contributes to concerns about increasing authoritarian tendencies in the region, reflecting a diminished commitment to emerging democracies in crisis. Effectively abandoned by the international community, Ukraine faces negotiations with nations seeking its valuable earth minerals in exchange for protection, essentially framing it within a debt relief context. The absence of significant Latin American critique of this neocolonial approach underscores a troubling shift where sovereignty and self-determination appear increasingly disposable, contingent upon geopolitical interests and contexts. Maria I. Puerta Riera is a Visiting Professor of Political Science at Valencia College in Orlando, FL., where she teaches U.S. Government and International Politics. She holds a PhD. in Social Sciences, with her research focusing on the crises of democracies in Latin America. She has a special interest in Venezuela, Cuba, and Nicaragua, and is currently working on the effects of the illiberal regimes of China and Russia and their use of sharp power in the region. This article is published under a Creative Commons License and may be republished with attribution.

Abstract We examine the roles of Gold and Bitcoin as a hedge, a safe haven, and a diversifier against the coronavirus disease 2019 (COVID-19) pandemic and the Ukraine War. Using a rolling window estimation of the dynamic conditional correlation (DCC)-based regression, we present a novel approach to examine the time-varying safe haven, hedge, and diversifier properties of Gold and Bitcoin for equities portfolios. This article uses daily returns of Gold, Bitcoin, S&P500, CAC 40, and NSE 50 from January 3, 2018, to October 15, 2022. Our results show that Gold is a better safe haven than the two, while Bitcoin exhibits weak properties as safe haven. Bitcoin can, however, be used as a diversifier and hedge. This study offers policy suggestions to investors to diversify their holdings during uncertain times. Introduction Financial markets and the diversity of financial products have risen in both volume and value, creating financial risk and establishing the demand for a safe haven for investors. The global financial markets have faced several blows in recent years. From the Global Financial Crisis (GFC) to the outbreak of the pandemic and uncertainty regarding economic policy measures of governments and central banks, the financial markets including equity markets around the world were faced with severe meltdowns. This similar behavior was observed in other markets including equity and commodity markets, resulting in overall uncertainty. In this scenario, the investors normally flock toward the safe-haven assets to protect their investment. In normal situations, investors seek to diversify or hedge their assets to protect their portfolios. However, the financial markets are negatively impacted when there are global uncertainties. Diversification and hedging methods fail to safeguard investors’ portfolios during instability because almost all sectors and assets are negatively affected (Hasan et al., 2021). As a result, investors typically look for safe-haven investments to safeguard their portfolios under extreme conditions (Ceylan, 2022). Baur and Lucey (2010) provide the following definitions of hedge, diversifier, and safe haven: Hedge: An asset that, on average, has no correlation or a negative correlation with another asset or portfolio. On average, a strict hedge has a (strictly) negative correlation with another asset or portfolio.Diversifier: An asset that, on average, has a positive correlation (but not perfect correlation) with another asset or portfolio. Safe haven: This is the asset that in times of market stress or volatility becomes uncorrelated or negatively associated with other assets or a portfolio. As was previously indicated, the significant market turbulence caused by a sharp decline in consumer spending, coupled with insufficient hedging opportunities, was a common feature of all markets during these times (Yousaf et al., 2022). Nakamoto (2008) suggested a remedy by introducing Bitcoin, a “digital currency,” as an alternative to traditional fiduciary currencies (Paule-Vianez et al., 2020). Bitcoin often described as “Digital Gold” has shown greater resilience during periods of crises and has highlighted the potential safe haven and hedging property against uncertainties (Mokni, 2021). According to Dyhrberg (2016), the GFC has eased the emergence of Bitcoin thereby strengthening its popularity. Bouri et al. (2017) in their study indicate that Bitcoin has been viewed as a shelter from global uncertainties caused by conventional banking and economic systems. Recent research has found that Bitcoin is a weak safe haven, particularly in periods of market uncertainty like the coronavirus disease 2019 (COVID-19) crisis (Conlon & McGee, 2020; Nagy & Benedek, 2021; Shahzad et al., 2019; Syuhada et al., 2022). In contrast to these findings, a study by Yan et al. (2022) indicates that it can function as a strong safe haven in favorable economic times and with low-risk aversion. Ustaoglu (2022) also supports the strong safe-haven characteristic of Bitcoin against most emerging stock market indices during the COVID-19 period. Umar et al. (2023) assert that Bitcoin and Gold are not reliable safe-havens. Singh et al. (2024) in their study reveal that Bitcoin is an effective hedge for investments in Nifty-50, Sensex, GBP–INR, and JPY–INR, at the same time a good diversifier for Gold. The study suggests that investors can incorporate Bitcoin in their portfolios as a good hedge against market volatility in equities and commodities markets. During the COVID-19 epidemic, Barbu et al. (2022) investigated if Ethereum and Bitcoin could serve as a short-term safe haven or diversifier against stock indices and bonds. The outcomes are consistent with the research conducted by Snene Manzli et al. (2024). Both act as hybrid roles for stock market returns, diversifiers for sustainable stock market indices, and safe havens for bond markets. Notably, Bhuiyan et al. (2023) found that Bitcoin provides relatively better diversification opportunities than Gold during times of crisis. To reduce risks, Bitcoin has demonstrated a strong potential to operate as a buffer against global uncertainty and may be a useful hedging tool in addition to Gold and similar assets (Baur & Lucey, 2010; Bouri et al., 2017; Capie et al., 2005; Dyhrberg, 2015). According to Huang et al. (2021), its independence from monetary policies and minimal association with conventional financial assets allow it to have a safe-haven quality. Bitcoins have a substantial speed advantage over other assets since they are traded at high and constant frequencies with no days when trading is closed (Selmi et al., 2018). Additionally, it has been demonstrated that the average monthly volatility of Bitcoin is higher than that of Gold or a group of international currencies expressed in US dollars; nevertheless, the lowest monthly volatility of Bitcoin is lower than the maximum monthly volatility of Gold and other foreign currencies (Dwyer, 2015). Leverage effects are also evident in Bitcoin returns, which show lower volatilities in high return periods and higher volatilities in low return times (Bouri et al., 2017; Liu et al., 2017). According to recent research, Bitcoins can be used to hedge S&P 500 stocks, which increases the likelihood that institutional and retail investors will build secure portfolios (Okorie, 2020). Bitcoin demonstrates strong hedging capabilities and can complement Gold in minimizing specific market risks (Baur & Lucey, 2010). Its high-frequency and continuous trading further enrich the range of available hedging tools (Dyhrberg, 2016). Moreover, Bitcoin spot and futures markets exhibit similarities to traditional financial markets. In the post-COVID-19 period, Zhang et al. (2021) found that Bitcoin futures outperform Gold futures.Gold, silver, palladium, and platinum were among the most common precious metals utilized as safe-haven investments. Gold is one such asset that is used extensively (Salisu et al., 2021). Their study tested the safe-haven property of Gold against the downside risk of portfolios during the pandemic. Empirical results have also shown that Gold functions as a safe haven for only 15 trading days, meaning that holding Gold for longer than this period would result in losses to investors. This explains why investors buy Gold on days of negative returns and sell it when market prospects turn positive and volatility decreases (Baur & Lucey, 2010). In their study, Kumar et al. (2023) tried to analyse the trends in volume throughout futures contracts and investigate the connection between open interest, volume, and price for bullion and base metal futures in India. Liu et al. (2016) in their study found that there is no negative association between Gold and the US stock market during times of extremely low or high volatility. Because of this, it is not a strong safe haven for the US stock market (Hood & Malik, 2013). Post-COVID-19, studies have provided mixed evidence on the safe-haven properties of Gold (Bouri et al., 2020; Cheema et al., 2022; Ji et al., 2020). According to Kumar and Padakandla (2022), Gold continuously demonstrates safe-haven qualities for all markets, except the NSE, both in the short and long term. During the COVID-19 episode, Gold’s effectiveness as a hedge and safe-haven instrument has been impacted (Akhtaruzzaman et al., 2021). Al-Nassar (2024) conducted a study on the hedge effectiveness of Gold and found that it is a strong hedge in the long run. Bhattacharjee et al. (2023) in their paper examined the symmetrical and asymmetrical linkage between Gold price levels and the Indian stock market returns by employing linear autoregressive distributed lag and nonlinear autoregressive distributed lag models. The results exhibit that the Indian stock market returns and Gold prices are cointegrated. According to the most recent study by Kaczmarek et al. (2022), Gold has no potential as a safe haven, despite some studies on the COVID-19 pandemic showing contradictory results. The co-movements of Bitcoin and the Chinese stock market have also normalized as a result of this epidemic (Belhassine & Karamti, 2021). Widjaja and Havidz (2023) verified that Gold was a safe haven asset during the COVID-19 pandemic, confirming the Gold’s safe-haven characteristic. As previously pointed out, investors value safe-haven investments in times of risk. Investors panic at these times when asset prices fall and move from less liquid (risky) securities to more liquid (safe) ones, such as cash, Gold, and government bonds. An asset must be bought and sold rapidly, at a known price, and for a reasonably modest cost to be considered truly safe (Smales, 2019). Therefore, we need to properly re-examine the safe-haven qualities of Gold and Bitcoin due to the mixed evidences regarding their safe-haven qualities and the impact of COVID-19 and the war in Ukraine on financial markets. This work contributes to and deviates from the body of existing literature in the following ways. We propose a novel approach in this work to evaluate an asset’s time-varying safe haven, hedge, and diversifier characteristics. This research examines the safe haven, hedging, and diversifying qualities of Gold and Bitcoin against the equity indices; S&P 500, CAC 40, and NSE 50. Through the use of rolling window estimation, we extend the methodology of Ratner and Chiu (2013) by estimating the aforementioned properties of the assets. Comparing rolling window estimation to other conventional techniques, the former will provide a more accurate representation of an asset’s time-varying feature. This study explores the conventional asset Gold’s time-varying safe haven, hedging, and diversifying qualities during crises like the COVID-19 pandemic and the conflict in Ukraine. We use Bitcoin, an unconventional safe-haven asset, for comparison. Data and Methodology We use the daily returns of three major equity indices; S&P500, CAC 40, and NSE 50 from January 3, 2018, to October 15, 2022. The equity indices were selected to represent three large and diverse markets namely the United States, France, and India in terms of geography and economic development. We assess safe-haven assets using the daily returns of Gold and Bitcoin over the same time. Equity data was collected from Yahoo Finance, Bitcoin data from coinmarketcap.com, and Gold data from the World Gold Council website. Engle (2002) developed the DCC (Dynamic Conditional Correlation)-GARCH model, which is frequently used to assess contagion amid pandemic uncertainty or crises. Time-varying variations in the conditional correlation of asset pairings can be captured using the DCC-GARCH model. Through employing this model, we can analyse the dynamic behavior of volatility spillovers. Engle’s (2002) DCC-GARCH model contains two phases; 1. Univariate GARCH model estimation2. Estimation of time-varying conditional correlation. For its explanation, mathematical characteristics, and theoretical development, see here [insert the next link in “the word here” https://journals.sagepub.com/doi/10.1177/09711023251322578] Results and Discussion The outcomes of the parameters under the DCC-GARCH model for each of the asset pairs selected for the investigation are shown in Table 1.   First, we look at the dynamical conditional correlation coefficient, ρ.The rho value is negative and insignificant for NSE 50/Gold, NSE 50 /BTC, S&P500/Gold, and S&P500/BTC indicating a negative and insignificant correlation between these asset pairs, showing Gold and Bitcoin as potential hedges and safe havens. The fact that ρ is negative and significant for CAC 40/Gold suggests that Gold can be a safe haven against CAC 40 swings. The asset pair CAC/BTC, on the other hand, has possible diversifier behavior with ρ being positive but statistically insignificant. Next, we examine the behavior of the DCC-GARCH parameters; α and β. We find that αDCC is statistically insignificant for all the asset pairs, while βDCC is statistically significant for all asset pairs. βDCC quantifies the persistence feature of the correlation and the extent of the impact of volatility spillover in a particular market’s volatility dynamics. A higher βDCC value implies that a major part of the volatility dynamics can be explained by the respective market’s own past volatility. For instance, the NSE 50/Gold’s βDCC value of 0.971 shows that there is a high degree of volatility spillover between these two assets, with about 97% of market volatility being explained by the assets’ own historical values and the remainder coming from spillover. Thus, we see that the volatility spillover is highly persistent (~0.8) for all the asset pairs except NSE 50/BTC. The results above show that the nature of the dynamic correlation between the stock markets, Bitcoin and Gold is largely negative, pointing toward the possibility of Gold and Bitcoin being hedge/safe haven. However, a detailed analysis is needed to confirm the same by employing rolling window analysis, and we present the results in the forthcoming section. We present the rolling window results for S&P500 first. We present the regression results for Gold in Figure 1 and Bitcoin in Figure 2   Figure 1. Rolling Window Regression Results for S&P500 and Gold.Note: Areas shaded under factor 1 represent significant regression coefficients. In Figure 1, we examine the behavior of β0 (intercept term), β1, β2, and β3 (partial correlation coefficients). The intercept term β0 will give an idea about whether the asset is behaving as a diversifier or hedge. Here, the intercept term shows significance most of the time. However, during 2018, the intercept was negative and significant, showing that it could serve as a hedge during geopolitical tensions and volatilities in the global stock market. However, during the early stages of COVID-19, we show that the intercept is negative and showing statistical significance, suggesting that Gold could serve as a hedge during the initial shocks of the pandemic. These findings are contrary to the results in the study by Tarchella et al. (2024) where they found hold as a good diversifier. Later, we find the intercept to be positive and significant, indicating that Gold could act as a potential diversifier. But during the Russia-Ukraine War, Gold exhibited hedge ability again. Looking into the behavior of β1, which is the partial correlation coefficient for the tenth percentile of return distribution shows negative and insignificant during 2018. Later, it was again negative and significant during the initial phases of COVID-19, and then negative in the aftermath, indicating that Gold could act as a weak safe haven during the COVID-19 pandemic. Gold could serve as a strong safe haven for the SP500 against volatility in the markets brought on by the war in Ukraine, as we see the coefficient to be negative and large during this time. From β2 and β3, the partial correlation coefficients of the fifth and first percentile, respectively, show that Gold possesses weak safe haven properties during COVID-19 and strong safe haven behavior during the Ukraine crisis. Next, we examine the characteristics of Bitcoin as a hedge/diversifier/safe haven against the S&P500 returns. We present the results in Figure 2.   Figure 2. Rolling Window Regression Results for S&P500 and Bitcoin.Note: Areas shaded under factor 1 represent significant regression coefficients. Like in the previous case, we begin by analysing the behavior of the intercept coefficient, which is β0. As mentioned earlier the intercept term will give a clear picture of the asset’s hedging and diversifier property. In the period 2018–2019, the intercept term is positive but insignificant. This could be due to the large volatility in Bitcoin price movements during the period. It continues to be minimal (but positive) and insignificant during 2019–2020, indicating toward weak diversification possibility. Post-COVID-19 period, the coefficient shows the significance and positive value, displaying the diversification potential. We see that the coefficient remains positive throughout the analysis, confirming Bitcoin’s potential as a diversifier. Looking into the behavior of β1 (the partial correlation coefficient at tenth percentile), it is positive but insignificant during 2018. The coefficient is having negative sign and showing statistical significance in 2019, suggesting that Bitcoin could be a good safe haven in that year. This year was characterized by a long list of corporate scandals, uncertainties around Brexit, and tensions in global trade. We can observe that throughout the COVID-19 period, the coefficient is showing negative sign and negligible during the March 2020 market meltdown, suggesting inadequate safe-haven qualities. However, Bitcoin will regain its safe-haven property in the coming periods, as the coefficient is negative and significant in the coming months. The coefficient is negative and shows statistical significance during the Ukrainian crisis, suggesting strong safe-haven property. Only during the Ukrainian crisis could Bitcoin serve as a safe haven, according to the behavior of β2, which displays the partial correlation coefficient at the fifth percentile. Bitcoin was a weak safe haven during COVID-19 and the Ukrainian crisis, according to β3, the partial correlation coefficient for the first percentile (coefficient negative and insignificant). According to the overall findings, Gold is a stronger safe haven against the S&P 500’s swings. This result is consistent with the previous studies of Triki and Maatoug (2021), Shakil et al. (2018), Będowska-Sójka and Kliber (2021), Drake (2022), and Ghazali et al. (2020), etc. The same analysis was conducted for the CAC 40 and the NSE 50; the full analysis can be found here [insert the next link in “the word here” https://journals.sagepub.com/doi/10.1177/09711023251322578]. However, it is important to highlight the respective results: In general, we may say that Gold has weak safe-haven properties considering CAC40. We can conclude that Bitcoin’s safe-haven qualities for CAC40 are weak. We can say that Gold showed weak safe-haven characteristics during the Ukraine crisis and good safe-haven characteristics for the NSE50 during COVID-19. We may say that Bitcoin exhibits weak safe haven, but strong hedging abilities to NSE50. Concluding Remarks In this study, we suggested a new method to evaluate an asset’s time-varying hedge, diversifier, and safe-haven characteristics. We propose a rolling window estimation of the DCC-based regression of Ratner and Chiu (2013). Based on this, we estimate the conventional asset’s time-varying safe haven, hedging, and diversifying properties during crises like the COVID-19 pandemic and the conflict in Ukraine. For comparison purposes, we include Bitcoin, a nonconventional safe-haven asset. We evaluate Gold and Bitcoin’s safe haven, hedging, and diversifier properties to the S&P 500, CAC 40, and NSE 50 variations. We use a rolling window of length 60 to estimate the regression. From the results, we find that Gold can be considered as a better safe haven against the fluctuations of the S&P 500. In the case of CAC 40, Gold and Bitcoin have weak safe-haven properties. While Bitcoin demonstrated strong safe-haven characteristics during the Ukraine crisis, Gold exhibited strong safe-haven characteristics during COVID-19 for the NSE 50. Overall, the findings indicate that Gold is the better safe haven. This outcome is consistent with earlier research (Będowska-Sójka & Kliber, 2021; Drake, 2022; Ghazali et al., 2020; Shakil et al., 2018; Triki & Maatoug, 2021). When it comes to Bitcoin, its safe-haven feature is weak. Bitcoin, however, works well as a diversifier and hedge. Therefore, from a policy perspective, investing in safe-haven instruments is crucial to lower the risks associated with asset ownership. Policymakers aiming to enhance the stability of financial portfolios might encourage institutional investors and other market players to incorporate Gold into their asset allocations. Gold’s strong safe-haven qualities, proven across various market conditions, make it a reliable choice. Gold’s performance during crises like COVID-19 highlights its potential to mitigate systemic risks effectively. Further, Bitcoin could also play a complementary role as a hedge and diversifier, especially during periods of significant volatility such as the Ukraine crisis. While Bitcoin’s safe-haven characteristics are relatively weaker, its inclusion in a diversified portfolio offers notable value and hence it should not be overlooked. Further, policymakers may consider how crucial it is to monitor dynamic correlations and periodically rebalance portfolios to account for shifts in the safe haven and hedging characteristics of certain assets. Such measures could help reduce the risks of over-reliance on a single asset type and create more resilient portfolios that can better withstand global economic shocks. For future research, studies can be conducted on the estimation of the rolling window with different widths. This is important to understand how the safe-haven property changes across different holding periods. Further, more equity markets would be included to account for the differences in market capitalization and index constituents. This study can be extended by testing these properties for multi-asset portfolios as well. We intend to take up this study in these directions in the future. Data Availability StatementNot applicable.Declaration of Conflicting InterestsThe authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.FundingThe authors received no financial support for the research, authorship, and/or publication of this article.ReferencesAkhtaruzzaman M., Boubaker S., Lucey B. M., & Sensoy A. (2021). Is gold a hedge or a safe-haven asset in the COVID-19 crisis? Economic Modelling, 102, 105588. Crossref. Web of Science.Al-Nassar N. S. (2024). Can gold hedge against inflation in the UAE? A nonlinear ARDL analysis in the presence of structural breaks. PSU Research Review, 8(1), 151–166. Crossref.Barbu T. C., Boitan I. A., & Cepoi C. O. (2022). Are cryptocurrencies safe havens during the COVID-19 pandemic? A threshold regression perspective with pandemic-related benchmarks. Economics and Business Review, 8(2), 29–49. 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Abstract European states currently lack a clear joint strategy on China and a coordinated approach to US–China competition. This article offers a novel perspective on the challenges for European approaches to this issue due to an omnipresent transatlantic component and the risk of an alliance dilemma. Illustratively focusing on France, Germany and the UK, it demonstrates that Europeans are facing a transatlantic alliance dilemma with the risks of abandonment and entrapment. It argues that Europe needs to strike a balance between its dependence on Washington, especially with regard to European security, while fearing entrapment by the US approach towards Beijing as it aims to maintain economic ties with China. The article concludes that the ramifications of this dilemma can be mitigated through a distinctly European approach to China, strengthening European coordination on China and bolstering European strategic autonomy. As a conceptual piece rather than a full empirical analysis, this article therefore unpacks the strategic challenge and lays the groundwork for further empirical works on the topic. Introduction Strategic competition between the US and China plays out in many realms of international affairs, ranging from global trade to security in the Indo-Pacific. European states are directly affected by this dynamic as they maintain critical ties with both sides. Albeit allies of the US through NATO, Europeans have been reluctant to align with the US on its approach to the Indo-Pacific and China, which is currently characterised by the quest to win the strategic competition with Beijing in all areas of international affairs (see Leoni 2023). Furthermore, Europe maintains close economic ties with Beijing, and imports from China to the EU have most recently increased (Lovely and Yan 2024). European governments certainly do not pursue an approach of maintaining equidistance between the US and China: not only do they regularly emphasise their strategic proximity to Washington, but more recent events, such as the willingness of European allies to publicly adopt the wording of the communiqué from NATO’s Washington summit (NATO 2024) describing China as an ‘enabler of Russia’s war effort in Ukraine’, clearly demonstrate that the tone is changing in European capitals (Politi 2023). However, Europeans still tend to emphasise China’s role in global affairs and the importance of including it in multilateral cooperation formats. With the re-election of Donald Trump as US president, European policy on China and its approach to US–China competition will increasingly be a focus of the US administration. While the exact approach of the new US government still remains to be defined, there are good reasons to anticipate a more hawkish China policy from Washington, through which the US might seek not only to further compete with China, but to actually win this competition (see Pottinger and Gallagher 2023). When designing their approaches towards China—which, among the key European states, only Germany has done so far, with the publication of its China strategy in 2023—Europeans always face a transatlantic elephant in the room. US–China competition, a structuring feature of international relations shaping the global order today through the increasing emergence of geopolitical blocs (see Leoni and Tzinieris 2024), and China’s rising global influence in almost all areas of international affairs—ranging from climate to economics, the rules-based order and security—are forcing European states to reflect on their approach vis-à-vis Beijing (for a full discussion, see Oertel 2023; García-Herrero and Vasselier 2024). As NATO members, European states also need to adapt their strategy in light of the partnership with the US as their key ally. This article argues that European approaches towards China, as shown in the examples of France, Germany and the UK, have a distinctly transatlantic component. It illustrates how these three European states find themselves in an alliance dilemma with the US, and how the risks associated with alliances also define European approaches to China and US–China competition more broadly. As the US administration regularly refers to China as a ‘challenge’ (US Department of Defense 2022), this article alludes to this formulation through the coining of the term ‘transatlantic China challenge’ to describe the strategic challenges Europeans are facing with regard to defining their approach vis-à-vis China and US–China competition more broadly. It offers a conceptual understanding of the strategic challenges for Europe in this context and thereby constitutes a basis for a more thorough empirical analysis. The alliance dilemma and European strategy in US–China competition Originating in realist international relations theory, the alliance dilemma generally describes a situation in which states face risks resulting from joining an alliance. As demonstrated by Snyder (1984), smaller allies especially face a parallel risk of abandonment and entrapment by a hegemon, that is, the dominating power, after joining an alliance. Abandonment, in these circumstances, implies that the hegemon has no further interest in defending or supporting the smaller allies, whereas entrapment refers to a situation in which a state is ‘dragged into a conflict over an ally’s interests that [it] does not share, or shares only partially’ (see Snyder 1984, 466–8). In the context of alliances, a small state is ‘the weaker part in an asymmetric relationship, which is unable to change the nature or functioning of the relationship on its own’ (Wivel et al. 2014, 9), and hence has more limited space for action than the great powers (Wivel and Thorhallsson 2018, 267). This definition arguably applies to Europe in its partnership with the US, as demonstrated by the excessive military and economic dominance of the US as compared to the European states (see Stockholm International Peace Research Institute n.d.; International Monetary Fund 2025). The re-election of Trump as US president now presents the risk of an increased alliance dilemma for Europeans. On the one hand, Trump has announced several times that he does not value the alliance commitments within NATO and potentially would not defend European allies (Sullivan 2024), threatening Europe with abandonment. This scenario is being taken seriously in European capitals, and reflections on how ‘defending Europe with less America’ (Grand 2024) could shape up have gained traction, especially in 2024. Similarly, defence initiatives within the EU to enhance the European contribution to the continent’s security have leapt forward in recent years (see Scazzieri 2025). On the other hand, even the Biden administration had pushed Europe to align with the US approach on China (see Lynch et al. 2023). However, France and Germany in particular, as the big EU member states, have been hesitant to do so, as reflected in France’s opposition to the opening of a NATO liaison office in Tokyo (McCurry 2023) and Germany’s vote against tariffs on Chinese electric vehicles, fearing reprisals from Beijing (Demarais 2024). Trump’s foreign policy might be strongly characterised by issue linkage, which means that policies in one area will be linked to those in another area. Through this strategy, the new US administration might force Europeans into alignment and thereby entrap them, making them accept policies they are not eager to support (see Barkin and Kratz 2025). The exact policies of the Trump administration vis-à-vis European allies remain to be seen, but it is not hard to imagine a scenario in which abandonment and entrapment could emerge or increase, namely when the threat of abandonment is used to entrap allies and force them to support certain policy decisions. The alliance dilemma could play out for Europeans specifically when designing their approaches towards China (see Barkin and Kratz 2025) and formulating their response to US–China competition more generally. As noted above, among the big European states, only Germany has formally adopted a strategy on China, in 2023 (The Federal Government of Germany 2023). However, China and the response to US–China competition takes a prominent place in France’s Indo-Pacific Strategy and its strategy review (Government of France 2021; Secrétariat général de la défense et de la sécurité nationale 2022), and the UK systematically included the dimension of strategic competition in its Integrated Review and its refresh (Government of the United Kingdom 2021, 2023) and has announced an ‘audit’ of its China policy under the new government (Taylor 2024). While these strategies emphasise their individual approaches towards China and the risks stemming from US–China competition, the US has increasingly pressured Europe to align with its approach (Lynch et al. 2023) and can be expected to continue this pressure (Barkin and Kratz 2025). Through the potential issue linkage of security (openly questioned by President Trump) and China policy, Europe therefore finds itself in a new form of alliance security dilemma. European approaches to US–China competition: strategic hedging How can Europe respond to the alliance dilemma of the risks of abandonment and entrapment when it comes to its approaches to China? Reviewing the theoretical literature on the alliance dilemma, one can imagine different strategies. According to Snyder, members of alliances can choose between strategies that strengthen or weaken their commitment to the alliance. To demonstrate commitment, actions could include reassurances for the ally or demonstrations of loyalty, whereas actions to weaken the commitment to the alliance could consist of restraining the ally (mostly to reduce the risk of entrapment in a conflict), increasing bargaining power over the ally or preserving options for realignment outside the existing alliance (for a full discussion, see Snyder 1984, 466–9). Alternative strategies include hiding from cooperation, that is, ‘seeking to maximize autonomy by opting out of specific aspects of the cooperation or by setting up “bastions” in the cooperation’, or bandwagoning, through which states pursue strategies of adaptation ‘to the more powerful actors in the cooperation’ (Pedersen 2023, 442). At the moment, it seems that France, Germany and the UK ‘drive on sight’ rather than approaching the question holistically. The following analysis aims to unpack how the three European states see US–China competition, the risk of the alliance dilemma and how these reflections have played out so far in their strategies. The strategies of France, Germany and the UK on China demonstrate that their approaches are influenced by a distinctly transatlantic component and reflect the transatlantic alliance dilemma. This is visible in their (1) high awareness of the risks stemming from great power competition, (2) approaches to managing the risk of short-term abandonment, and (3) hedging to mitigate the medium- and long-term risks of abandonment and entrapment. The empirical evidence for this analysis was gathered through a qualitative analysis of European strategic documents, statements and policy decisions taken mostly during the period of the Biden administration. However, in light of the risk of a scaling-up of the alliance dilemma under the Trump administration, sources and evidence accessible by the end of January 2025 were included to illustrate the European approaches. In addition to publicly available documents and the sources mentioned above, this paper draws on conversations with policymakers and experts under the Chatham House rule. Mitigating risks from US–China competition: multilateralism instead of alignment That France, Germany and the UK are close allies with the US is clearly visible in their respective strategies on China, not least because of references they make to the importance of the alliance and their descriptions of their own positions between the two great powers. Overall, France, Germany and the UK share the perception of US–China competition and the emergence of blocs as potentially harmful to their interests. As a consequence, all three call for an inclusive multilateral order instead of falling into a logic of blocs, as the increasing competition is seen as a risk for Europe (Secrétariat général de la défense et de la sécurité nationale 2022, 9–15; The Federal Government of Germany 2020, 24–6; Government of the United Kingdom 2023, 22–6). The response of all three European powers to the emergence of blocs is multilateralism: instead of clearly aligning with the US, the French, German and British strategies call for building broader multilateral coalitions, which should, eventually, also include China (The Federal Government of Germany 2020, 23–6; Government of the United Kingdom 2023). The tone in Paris, Berlin and London towards Beijing has clearly changed over recent years; accordingly, the European capitals were also willing to support strong wording on China in the 2024 NATO summit declaration, which describes China as a ‘critical enabler’ of Russia’s ongoing war against Ukraine (NATO 2024). Albeit also recognised as a critical partner for key issues such as climate policy and trade, European states openly describe China as a ‘systemic rival’ and occasionally call out China’s behaviour, as they did, for example, in the case of a note verbale on the South China Sea (UN 2020). Nevertheless, Europe has not (yet) given in to US pressure to align with Washington’s more confrontational approach towards China (Etienne 2024). Even if European states and Washington have moved closer to each other, especially on economic security (Meyers and Reinsch 2023), the European positions on US–China competition demonstrate that Europeans are not willing to fully endorse or follow Washington’s approach—not least because European imports from China have increased in recent years (Lovely and Yan 2024). Managing the risk of short-term abandonment Since Trump’s election, the risk of abandonment by the US has been seen as increasingly high in Paris, Berlin and London.1 This is not least because Trump has openly questioned his willingness to adhere to Article 5 of the North Atlantic Treaty in the case of an armed attack on Europeans (Sullivan 2024). Europeans are especially concerned about issue linkage in this context, meaning that demands in a policy area other than security could be used as a condition. Concretely, Trump could use the threat of abandonment as leverage to compel Europe to align with the US on China policy.2 Barkin and Kratz (2025) suggest that Europe adopt a ‘carrot and stick’ approach, whereby Europe could start with an offer to the US: buying more liquified natural gas, defence goods and agricultural products from the US could mitigate the risk of abandonment. However, there is awareness among European states that coercion from the US to align on US–China policy, especially when linked to the threat of abandonment, might best be mitigated through enhancing European military capabilities—which would still leave the continent exposed to these threats, though to a lesser extent.3 Addressing the risk of medium- and long-term abandonment and entrapment: transatlantic hedging However, the risk of at least partial abandonment is not a new challenge for European strategy, and had already infused earlier strategic thinking. The shift of US strategic priorities away from Europe and to the Indo-Pacific has already been demonstrated in the allocation of resources to the different theatres. Moreover, European states have increasingly become aware that US forces will be withdrawn from their territories in the future and have concluded that they will have to step up their own commitment to European security (see Grand 2024). In parallel, there is an awareness in European capitals that showing more interest in the Indo-Pacific and giving more importance to policy on China is also a way for Europeans to demonstrate an understanding of their ally’s strategic priorities.4 Accordingly, the approaches of France, Germany and the UK to China and the Indo-Pacific also have to be understood as a commitment to the priorities of the US in order to keep this ally engaged in the European theatre and mitigate the risk of abandonment; however, European states abstain from fully aligning with the US approach, as their capabilities and strategic goals are perceived as diverging from those of the US. In this way, Europe aims to avoid entrapment over the medium term through slightly distancing itself from US policy. While all three European states also call for de-risking from China and diversification of their supply chains, maintaining strong economic ties with Beijing is a key component of their respective approaches—which contrasts with the US calls for decoupling. Furthermore, these states have never formally endorsed the US policy on China (Etienne 2024). Nevertheless, enhancing European capabilities would not only send a signal to Washington, but also qualify as hedging, understood as an ‘insurance policy’ to avoid a deterioration in US–Europe relations if the US opted for abandonment, or even as part of a move towards emancipation to reduce strategic dependencies on Washington (see Fiott 2018, 4–6). Conclusion: a transatlantic China challenge Designing their approaches to China and to US–China competition more broadly constitutes a complex strategic dilemma for European states. Paris, Berlin and London do not fully align with Washington’s approach, and it remains to be seen whether they will be willing to do so under the second Trump administration. To manage the risk of abandonment and entrapment, European states pursue different individual approaches to strategic hedging: their strategies on China and US–China competition are designed in a way that allows them to mitigate the risk of abandonment which might stem from significant transatlantic divergence, and to avoid automatic entrapment through their slight distancing from the US approach. From a theoretical perspective, this article has demonstrated that the alliance dilemma, along with the parallel fear of abandonment and entrapment by the US, is a major factor accounting for Europe’s limited strategies on China and its hedging behaviour. This article offers a conceptual analysis of the structural forces explaining European strategies, but other strategic cultures and relationships with the US could offer important complementary insights. To further analyse how individual European states design their strategies vis-à-vis China in light of the alliance dilemma and potential domestic constraints and specificities, neoclassical realism could offer an interesting analytical concept. This approach posits that structural forces set the parameters for foreign policy and treats domestic factors, including strategic culture, as intervening variables (see Rose 1998). Accordingly, it appears well suited for foreign policy analysis, and has indeed gained popularity in the field in recent years (see, for example, Martill and Sus 2024; Meibauer et al. 2021; Weber 2024). Empirically, this article constitutes a conceptual starting point rather than an exhaustive analysis of the strategy-making processes of European states with regard to China and US–China competition and makes a more comprehensive assessment desirable. The findings of this article have broader implications for policymaking. First, they demonstrate the necessity for Europe to determine its place in the increasing US–China competition. European coordination on the respective approaches vis-à-vis the US—especially in light of potential coercion to align—and China is of paramount importance to ensure that foreign policy strategies are mutually reinforcing and not undermining European objectives. Second, the article demonstrates that Europe currently responds to the ‘transatlantic China challenge’ through transatlantic hedging: while this strategy seems to be promising in the short term, it is questionable to what extent the strategy is sustainable and could help European states to navigate the parallel challenges of abandonment and entrapment. Unless Europe decides to fully align with the US—and it is questionable whether this decision would be in its interest—European states would be well advised to develop a sustainable long-term approach to China. A transatlantic dialogue on China, in which Europe and the US openly discuss synergies and divergences, could help prevent misunderstandings and decrease the risk of coercion or issue linkage due to a misreading of European approaches in Washington. Third, as the risks of (at least partial) abandonment and entrapment are systemic challenges due to the current composition of the transatlantic alliance, a logical step for European states to decrease their dependence on the US as the hegemon in the alliance would be to significantly strengthen European capabilities. Stronger military capabilities could help mitigate the ramifications of abandonment, and the aforementioned distinctly European strategy could allow Europe to avoid strategic entrapment in relation to China imposed by Washington. As Europe remains the junior partner in the transatlantic alliance, the parallel risks of abandonment and entrapment, as well as issue linkage, are highly likely to influence its approaches towards China in the long term, but there are certainly ways to render this ‘transatlantic China challenge’ less challenging. ORCID iDGesine Weber https://orcid.org/0009-0008-2643-0400Footnotes1. 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Abstract This analysis examines Ukraine’s integration into European defence cooperation through the SAFE fund, highlighting its unique status as a semi-integrated security partner (SISP) despite not being an EU member. Ukraine’s pursuit of NATO and EU membership is driven by security concerns, economic benefits, and cultural alignment with Europe, particularly in response to Russian aggression since 2014. NATO membership promises collective defence under Article 5, enhanced military capabilities, and political reforms, while EU accession offers economic integration, governance improvements, and strengthened defence capacities. Russia opposes Ukraine’s NATO aspirations due to security fears and the potential democratic contagion threatening its regime. Still, it is more accepting of Ukraine’s EU membership, viewing it as an economic rather than a military alliance. Historical assurances to the USSR against NATO expansion eastward fueled Russia’s objections. Ukraine’s integration into European structures symbolises a break from Russian influence but poses challenges of escalation and geopolitical tension. The SAFE fund’s inclusion of Ukraine reflects the evolving boundaries of EU defence cooperation amid the ongoing conflict. Key Words: SAFE, EU, Ukraine, Russia, Security Introduction In the first article on SAFE[EE1] , published once again in the World & New World Journal, the analysis concluded on a somewhat skeptical note: “It appears that despite some initial intentions to end the Ukrainian war as early as April 2022, it is the European elites, especially French, German and Polish, who stand for the prolongation, if not escalation, of the Ukrainian war, potentially at the expense of the security of the whole European continent and definitely at the expense of Ukrainians and their country”.[1] Moreover, the author, adopting a critical perspective, raised some questions about the consequences of the ongoing war. Firstly, the longer the war continues, the more destroyed Ukraine becomes and the greater the number of Ukrainians killed. Secondly, the longer the war continues, the greater the likelihood of escalation, which poses a threat to the entire European continent. Thirdly, despite mainstream media reports, the Russian Federation appears to have adapted to operating effectively despite the sanctions, which may strengthen its economy in the short to medium term and, more importantly, bring it closer to cooperating with China and North Korea. Finally, since every war serves as a testing ground for new technologies, the Russians, especially the North Koreans and the Chinese, are gaining invaluable insight into the nature of modern warfare, which is often referred to as the next Revolution in Military Affairs (RMA).The inclusion of Ukraine in the SAFE fund, despite its non-EU status, suggests a functional military alliance. This analysis will, therefore, explore how such an alliance redefines the line between EU and non-EU defence cooperation, specifically in the context of Ukraine as a semi-integrated security partner (SISP), and how this semi-integration is likely to influence Russia’s threat perception.  European Aspirations of Ukraine  Source: https://www.freeworldmaps.net/europe/political.html Ukraine’s pursuit of NATO and EU membership reflects a complex approach driven by security, economic, political, and cultural imperatives, particularly in the context of its ongoing conflict with Russia and its aspiration for a stable and prosperous future. Ukraine’s engagement with NATO began in the early 1990s, with formal steps toward membership marked by the 2008 Bucharest Summit, which decided that Ukraine would become a member.[2] This commitment was reaffirmed at the 2024 Washington Summit, emphasising Ukraine’s “irreversible path” to NATO integration. For the EU, Ukraine applied for membership on February 28, 2022, shortly after Russia’s full-scale invasion, highlighting the urgency driven by security concerns.[3]  The EU granted candidate status in June 2022, and accession negotiations opened in December 2023, reflecting strong political support. The primary rationale for NATO membership is security, particularly in response to Russia’s actions since 2014, including the annexation of Crimea and the 2022 invasion. Ukraine views NATO’s collective defence mechanism, especially Article 5, as a credible deterrent to further aggression. NATO has provided significant support, including EUR 50 billion in 2024, with nearly 60% of the funding coming from European Allies and Canada. The alliance has also established NATO Security Assistance and Training for Ukraine (NSATU) at the 2024 Washington Summit.[4] EU membership, although not primarily a military-focused endeavour, enhances political stability by reducing vulnerability to external threats through economic and diplomatic ties. Recent developments in June 2025, such as NATO Defence Ministers agreeing on new capability targets and statements from Baltic states calling for concrete steps at the upcoming 2025 NATO Summit in The Hague, underscore ongoing international backing.[5] However, challenges remain, with some ambiguity about explicit mentions in NATO communiques and concerns over U.S. political shifts, as noted by Estonian President Alar Karis on June 9, 2025.[6] EU membership is central to Ukraine’s economic aspirations, offering access to the European single market, financial aid, and investment crucial for post-war reconstruction. The EU has provided over €108 billion in financial, humanitarian, and military assistance since the war began, with the Ukraine Facility offering up to €50 billion from 2024 to 2027 for recovery and reforms.[7]  This support aligns with Ukraine’s goal of modernising its economy and institutions, including democratic governance and anti-corruption measures, as outlined in the EU’s 2022 Opinion and subsequent reports. NATO membership, while primarily security-focused, also implies a political alignment with Western democratic values, complementing European Union integration. Ukraine’s progress in aligning with NATO standards, as demonstrated by the removal of the need for a Membership Action Plan (MAP) at the 2023 Vilnius Summit, reflects its commitment to reforms that enhance both security and political stability.[8] Ukraine frames its European aspirations as a return to its historical and cultural roots, emphasising shared democratic values, human rights, and a rejection of Russian influence. This narrative is reflected in strong public support, with polls showing over 80% favouring NATO membership and 85-90% supporting EU membership.[9] The 2014 Euromaidan protests, sparked by the rejection of an EU Association Agreement and Russia’s subsequent actions, have solidified this national consensus. Constitutional amendments in 2019 formalised NATO and EU membership as strategic objectives, underscoring cultural alignment with Europe. To sum up, both NATO and EU memberships, according to Ukrainian society, represent a definitive break from Russia’s sphere of influence, ensuring long-term independence and countering Russian attempts to control post-Soviet states. This geopolitical strategy is evident in Ukraine’s legislative commitments, such as the 2017 parliamentary decision making NATO membership a strategic objective and the 2022 reiteration of membership requests following Russia’s illegal annexations.  Recent EU-NATO cooperation, highlighted in a May 28, 2025, meeting focusing on Ukraine, reinforces this alignment and highlights international solidarity.[10] Russian views on Ukraine’s NATO and EU membership Russia's objections to Ukraine joining NATO are driven by security, geopolitical, and ideological fears, with a particular emphasis on military alliances and democratic contagion. In contrast, Russia accepts Ukraine's EU membership, viewing it as an economic union with fewer security implications. Russia views NATO's eastward expansion as a direct threat to its national security. The potential inclusion of Ukraine would bring NATO's military infrastructure, including troops and missile defence systems, closer to Russian borders. This is seen as a violation of Russia's perceived security interests, especially given NATO's history of collective defence under Article 5. For instance, NATO's response to Russia's 2014 annexation of Crimea and the 2022 full-scale invasion has intensified cooperation with Ukraine, further heightening tensions. [11] Ukraine's historical ties to Russia, rooted in shared Soviet and imperial pasts, make its potential NATO membership a significant loss for Russia's sphere of influence. The shift toward Western alignment is perceived as a strategic defeat, as it reduces Russia's ability to exert influence in Eastern Europe. This is evident in Russia's actions, such as the annexation of Crimea and support for separatists in Donbas, which are seen as responses to Ukraine's NATO aspirations.[12] Russia specifically objects to the military aspects of NATO membership, fearing the deployment of foreign troops or advanced military systems near its borders. This concern is highlighted in statements from Kremlin officials, such as Dmitry Peskov, Press Secretary of the President of the Russian Federation, who have emphasised that military alliances pose a different threat compared to economic unions. [13] Western experts often claim that Russia's real objection is the democratic implications of Ukraine's alignment with the West. A successful, democratic Ukraine could serve as a model for democratic movements within Russia, challenging the authoritarian stability of Putin's regime. This fear is evident in Russia's reactions to democratic breakthroughs, such as the Orange Revolution (2004) and EuroMaidan (2013–14), which were met with military actions like annexing Crimea and supporting separatist conflicts in Donbas, resulting in over 14,000 deaths over eight years.[14] NATO Expansion: What Gorbachev Heard Russia often cites the alleged promise made during the fall of the Soviet Union that NATO would not expand eastward. This grievance is part of Russia's broader narrative of being encircled by Western institutions, fueling its opposition to Ukraine's NATO aspirations.  According to recently publicised documents, Western leaders gave Mikhail Gorbachev multiple assurances throughout 1990 and into 1991 that NATO would not expand eastward, particularly in the context of German unification and the broader European security architecture.[15] James Baker, U.S. Secretary of State, repeatedly assured Gorbachev in February 1990 that if Germany were to unify and remain in NATO, NATO's jurisdiction would not extend "one inch eastward" beyond its current position. Baker presented Gorbachev with a choice between a united Germany outside NATO or a united Germany in NATO with guarantees against eastward expansion. Gorbachev stated that any expansion of NATO would be unacceptable. West German Foreign Minister Hans-Dietrich Genscher publicly stated in January 1990 that NATO should rule out expansion eastward and proposed a special status for the former East German territory within NATO. This "Tutzing formula" became the basis of diplomatic discussions with Gorbachev, where the idea of no eastward expansion applied not only to East Germany but also to other Eastern European countries. British Foreign Minister Douglas Hurd and Prime Minister John Major also conveyed to Gorbachev and other Soviet officials that NATO expansion was not being considered and that there was no plan to include Eastern European countries in NATO at that time. Major personally assured Gorbachev in March 1991 that strengthening or expansion of NATO was not planned. French President François Mitterrand expressed support for gradually dismantling military blocs and emphasised the need to create security conditions favourable to the Soviet Union. He promised to detail guarantees to Gorbachev regarding his country's security. Margaret Thatcher emphasised the transformation of NATO into a less militarily threatening alliance and the role of the Conference on Security and Cooperation in Europe (CSCE) as an inclusive forum that would incorporate the Soviet Union into discussions about Europe's future security. She stressed the importance of giving the Soviet Union confidence that its security would be assured. NATO Secretary General Manfred Woerner told a Russian delegation in 1991 that the NATO Council and most member states were against NATO expansion and that isolating the USSR from the European community should be avoided. President George H.W. Bush assured Gorbachev on several occasions, including at the Malta summit in 1989 and the Washington summit in 1990, that the U.S. sought no unilateral advantage and that German unification within NATO would not be directed against the Soviet Union. He emphasised the significance of the CSCE process and the transformation of NATO in response to Soviet security concerns. Overall, these assurances created a "cascade" of promises emphasising that NATO would not expand eastward and that Soviet security interests would be respected as part of a new European security architecture. Gorbachev agreed to German unification in NATO based on these assurances and his belief in the potential for a "common European home" that would include the USSR. However, these assurances were mainly given in verbal form or memos rather than formal treaties, and subsequent NATO expansion in the late 1990s led to later Soviet and Russian complaints about being misled. In summary, the significance of these promises lies in their role in enabling German unification within NATO, shaping Soviet expectations of post-Cold War security, influencing European security architecture, and later contributing to disputes over NATO enlargement and Russia's perception of being misled by the West. EU Membership: A More Accepting Stance In contrast, Russia's stance on Ukraine's potential membership in the EU is markedly different. Official statements, such as those from Vladimir Putin, indicate that Russia has "nothing against" Ukraine joining the EU, viewing it as an economic union rather than a military alliance.  This acceptance is likely due to the EU's focus on economic integration, which does not pose the same security threat as NATO's military framework.[16] Dmitry Peskov's comments reinforce this distinction, noting that Russia "won't dictate" its approach to EU membership but has a different approach to military alliances. This reflects Russia's willingness to engage in economic partnerships while opposing military alliances. While Russia accepts EU membership, it remains wary of the broader implications, such as increased Western influence and potential democratic reforms in Ukraine. However, these concerns are secondary to its objections to NATO, as the EU does not involve military commitments. Public opinion in Ukraine, as noted in sociological surveys, shows strong support for NATO membership, with 64% in favour in January 2022, particularly in western Ukraine and Kyiv. This contrasts with Russia's position, highlighting the geopolitical divide. Additionally, former European Commission President Jean-Claude Juncker has cautioned against Ukraine joining NATO, suggesting that internal debates within the West may align with Russia's narrative that NATO expansion is premature. Ukraine - de facto NATO and EU member? – opportunities and challenges NATO Experts claim that Ukraine's membership in NATO would likely provide a strong security guarantee under Article 5, deterring Russian aggression by ensuring collective defence. This means that an attack on Ukraine would be treated as an attack on all NATO members, including major powers such as the United States and the United Kingdom. This could potentially stabilise the region, reducing the risk of further conflict.[17] Ukraine's large and experienced military, with significant combat expertise, would also strengthen NATO's overall defence capabilities, particularly in modern warfare, such as drone and cyber operations. Membership in NATO would likely enhance Ukraine's military capabilities through the organisation's training programs and exercises, thereby improving interoperability with allied forces. Programs like the NATO Security Assistance and Training for Ukraine (NSATU), established in 2024, coordinate equipment and training with hubs in Eastern Europe. This would align Ukraine's forces with NATO standards, enhancing operational effectiveness, as demonstrated by past contributions to NATO-led missions in Bosnia and Kosovo.[18] It seems likely that NATO membership would attract more foreign investment, especially in defence, with Western companies already coproducing munitions in Ukraine. Financial support, such as the €40 billion pledged in 2024, would aid reconstruction and economic recovery, as outlined in the NATO Pledge of Long-Term Security Assistance. Politically, it could drive reforms in governance and anti-corruption, with strong public support (75% in favour) ensuring commitment.[19] Finally, policy-makers in the West also hope that Ukraine’s NATO membership could curb or even end Russian imperial ambitions, sending a clear message that the subjugation of Ukraine is futile. However, it could also escalate tensions with Russia. “While there is widespread recognition that the outcome of Russia’s war in Ukraine will shape the future of international relations, […] the alliance appears to be deeply divided on the issue. Objections centre around the potential for a further dangerous escalation in the current confrontation with the Kremlin. Opponents argue that by inviting Ukraine to join, NATO could soon find itself at war with Russia. Meanwhile, many supporters of Ukrainian NATO membership believe keeping the country in geopolitical limbo is a mistake that only serves to embolden Moscow and prolong the war”. [20] The EU The alleged opportunities resulting from Ukraine’s already de facto EU membership are numerous. According to experts, Ukraine's potential EU membership would likely enhance economic integration by granting access to the EU's single market, facilitating the free movement of goods, services, capital, and people. This could increase Ukraine's trade by 40% to 140% between 2030 and 2040, compared to the 2010-2019 averages, driven by foreign direct investment (FDI) and governance reforms.[21] The Deep and Comprehensive Free Trade Area (DCFTA), which has been in force since 2017, would be further strengthened, thereby boosting economic ties with the EU.[22] The EU-Ukraine agreement improves the competitiveness of European businesses in the Ukrainian market and vice versa. Overall, for trade in goods, the agreement eliminated the majority of tariffs – 98.1% for the EU and 99.1% for Ukraine. For example, import duties on most agricultural goods imported into the EU were reduced to zero in 2016. Tariff rate quotas apply to the remaining farming goods that are not liberalised. The management of these quotas is done either on a first-come, first-served basis or via import licences. It seems likely that EU accession would drive reforms in governance, rule of law, and anti-corruption measures. Currently, Ukraine ranks poorly in governance metrics, performing worse than Russia and Belarus; however, EU conditionality could help elevate it to a well-governed state.  With 78% of Ukrainians supporting EU entry, there is strong public backing for these reforms.[23] Ukraine's membership is also likely to enhance EU security and defence capabilities. Ukraine's rapidly growing defence industry, including investments like Baykar's $100 million for drone production and a joint venture with Rheinmetall for artillery shells, would bolster the EU's defence ecosystem.[24]  With one of Europe's largest standing armies (around 1 million personnel) experienced in modern warfare, Ukraine could contribute valuable expertise.  The establishment of an EU Defence Innovation office in Kyiv further supports Ukraine's integration into European defence programs. There may be additional benefits in energy security, with Ukraine exporting low-carbon electricity and hydrogen to the EU, and technological advancements, particularly in drone and cyber capabilities, positioning Ukraine as a leader in tech R&D. Labour migration could help alleviate EU labour shortages, with projections of 3-6 million additional Ukrainian immigrants by 2029-2050. Conclusion In conclusion, Ukraine’s integration into European defence cooperation, particularly through NATO and the EU, represents a strategic shift that may strengthen European security and counter Russian influence. NATO membership offers Ukraine vital collective defence guarantees, enhances military capabilities, and could deter further Russian aggression, though it risks escalating tensions.  EU membership promises significant economic benefits, governance reforms, and deeper political alignment with Europe. Russia’s opposition centres mainly on NATO’s military threat, while it shows more acceptance of EU economic ties. Overall, Ukraine’s semi-integrated status in European defence frameworks exemplifies evolving security dynamics with profound implications for the regional security complex in Europe. References [1]  Sliwinski, K. (2025, July 7). 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