Using game theory as a model for analyzing international relations WORLD POLITICS: THE MENU FOR CHOICE International Edition offers a compelling and accessible introduction to the world of international relations. Consistently praised in previous editions for its excellent balance of theory and issues this ninth edition has been thoroughly updated and includes increased coverage of the legal implications of policies associated with the U.S.-led war on terror a more complete examination of the role of democracy for conflict resolution both between and within states and a more detailed look at international organizations.