Political science 1ab3 2017 lecture 9b international terrorism. In the discipline of political science, terrorism is usually treated as having social-level causes: rather than as something that can be reduced to individual psycho-pathology. One of the most influential (and most problematic) accounts of the impact of culture on world politics was written by samuel huntington. Huntington argued in the clash of civilizations that world conflict is moving in a new direction: one where cultural clash will become more and more significant. His argument starts with an overview of the changing nature of global conflict across the modern era: From the peace of westphalia (1648) until the french revolution. From the french revolution until world war i. Beginning with the russian revolution (1917) and lasting until the end of the cold war. According to huntington: the fundamental source of conflict in the new world will not be primarily ideological or economic.