Ethnocentrism in the Inter-Nation Simulation

The historical antecedents of the study of ethnocentrism as a sociopsychological syndrome can be traced back to Gumplowicz's natural theory of State (1883; Gregor, 1963). His theory was predicated on the assumption of the mutual hostility of heterogeneous groups. However, it was primarily through the influence of Sumner (1906) that the concept became an integral part of American sociological theory. Since Sumner, ethnocentrism has been depicted by theorists as a universal characteristic of nations which are part of an international system. Campbell and LeVine (1961) list