![]() Part 1: Preface 1. Complex Alliances in the 21st Century: Formation and Expansion | Young-Sun Ha 2. The History of Alliance Networks | Chaesung Chun Part 2: United States 3. The U.S. Alliance System in the 21st Century: A Historical Overview | Sang-yun Ma 4. The Obama Administration’s Foreign Policy Agenda | Sang Hyun Lee 5. The U.S. Security Implementation Strategy | Dong Sun Lee 6. The Obama Administration’s Strategy for East Asia and the Korean Peninsula | Seongho Sheen Part 3: East Asia 7. Japan’s Alliance Strategy in the 21st Century: Power Transfer, Transformation, and Rebalancing | Yul Sohn 8. China’s Alliance Policy in the 21st Century: Change and Continuity | Young Nam Cho Part 4: Europe and the Middle East 9. The Transformation of the U.S.-Europe Alliance in the 21st Century | Joon Suk Kim 10. Changes and Prospects for Russia’s 21 Century Alliance/Partnership Policy | Beom-Shik Shin 11. The World View of the Middle East and Alliance | Nam Sik In Appendix |