title: The Russian-Ukrainian war in the context of XXI-st century world-system changes. Experience of I. Wallerstein's methodology
abstract: The article is devoted to the consideration of the Russian-Ukrainian war problem in the context of global changes in the 21st century first quarter. The theory of worldsystem analysis, methods of historicism and comparativism were taken as the direct methodological basis of this issue. The novelty of the article lies in the comparison of the world-system process evolution (mid-XV – first quarter of the XXI century) with the world wars dynamics (from the Thirty Years War of 1618-1648 to the Cold 
journal: International and Political Studies