Intro: Marxist theory of international politics refers to the understanding of economic policies of the state and their consequences in international sphere. Hence Marxist theories are theories of political economy. Though Marx was not concerned with IR per se but his concepts on capitalism and proletariat internationalism transcended national differences . His vision of a potential link between the bulk of humanity as a global proletariat is where, and how, Marxism enters IR Marxist scholars have tried to understand the working of capitalism in international context It argues that the construction of modern borders is determined by, or linked in various ways to, the development of capitalism. Instrumentalists Also known as dependency school They have analysed the impact of capitalism with respect to the existence of poverty in the countries of the South Core concepts of this school Concept of core and periphery Unequal exchange Uneven development Development of under development ( AG ...