This document outlines five major perspectives in international relations: realism, liberalism, Marxism, feminism, and constructivism. It provides an overview of the key analytical and explanatory components, prescriptive implications, and philosophical roots of each perspective. Realism adopts a pessimistic view of human nature and inevitable conflict. Liberalism is more optimistic about human progress through trade and institutions. Marxism sees world politics defined by class divisions and conflict. Feminism emphasizes the exclusion of women and influence of gender norms. Constructivism argues state behavior is shaped by beliefs rather than objective factors. The document concludes that perspectives provide general frameworks but not specific policy directives, and different perspectives can sometimes arrive at similar answers for different