In this article, we analyse the ongoing Russia-Ukraine war, arguing that it is a conflict driven by imperialist rivalry, competing bourgeoisie factions, and broader capitalist realignment. The war is essentially caused by NATO’s eastward expansion, which triggered Russia to take action to take control of its westward border. By foregrounding the class interests that influence state policies and military interventions, it can be demonstrated how both the US and the Russian Federation perceive Ukraine as a strategic lever for securing energy pipelines, arms markets, and spheres of influence. Due to this the Russia–Ukraine war should be understood not as a struggle between a revanchist Russia and a besieged nation but as a clash between a semi peripheral capitalist country (Russia) and the US led imperialist encroachment of NATO over the former Soviet Republics and parts of Europe. According to our analysis, Russia does not meet Lenin’s definition of finance-capital-dom...