The United States and the Great Powers. World Politics in the Twe

1 Introduction. Part I Identity and Polarity: Introduction. 2 Identity. 3 Polarity in Theory and Practice. 4 Great Powers: A Troubled Concept? 5 Rethinking Definitions: Superpowers, Great Poweres and Regional Powers. Conclusions to Part I: Superpowers, Great Superpowers and Regional Powers. Part II Three Scenarios for Future: Introduction. 6 Where We Are Now: One Superpower and Several Great Powers. 7 Options for the Future I: Two or Three Superpowers and a Few Great Powers. 8 Options for the Future II: No Superpowers and Several Great Powers. Conclusions to Part II: The Interplay of Polarity and Identity in three Scenarios. Part III US Foreign Policy and the Scope for Action: 9 Understanding the Turn in US Foreign Policy. 10 Conclusions: Where To From Here?