- Marx and Engles 1840: capitalist globalization is seriously eroding the foundations of international system of states - 2 principal social classes: the national bourgeoisie x an increasingly cosmopolitan proletariat - -> revolution action: establishment of new world order without exploitation and domination - Traditional theorists: international politics as a result of interaction between independent political communities, Marxism as a “second-image” account of IR (which underestimates importance of nationalism, state, war, balance of power, diplomacy,…) - Evolution of Marxism: since 1980 new interpretations of Marxism -> weapon in critique of realism (-> critical theory) - Collapse of USSR: death of Marxism as social theory and political practice x relevance of Marxism increased with the rapid emergence of a new phase of economic globalization