Offense-defense theory argues that the relative ease of offense and defense varies in international politics. When the offense has the advantage, military conquest becomes easier and war is more likely; the opposite is true when the defense has the advantage. The balance between offense and defense depends on geography, technology, and other factors. This theory, and the body of related theories, has generated much debate and research over the past twenty-five years.This book presents a comprehensive overview of offense-defense theory. It includes contending views on the theory and some of...

The essays collected in Global Dangers provide both conceptual analysis and empirical assessment of the environment, migration, and nationalism as sources of conflict. The East-West confrontation that dominated the international security agenda during the Cold War has largely receded from view. Revealed in its wake is a different set of dangers, not really new but previously overshadowed by Cold War preoccupations. Global Dangers examines three such potential threats to peace: environmental problems, including access to scarce resources and population pressures; international...