Study on American non-proliferation policy after the Cold War 并列题名：Study on American non-proliferation policy after the Cold War Study on American Iran policy after the cold war 并列题名：Study on American Iran policy after the cold war study on Northeast Asia policy of South Korea after the cold war U.S. nuclear strategy and international nuclear non-proliferation regime after the cold war U.S. nuclear strategy and international nuclear non-proliferation regime after the cold war. Dynamics and mechanism of China's regional policy after the cold war Study on transformation of the US-Japan alliance after the cold war Study on the international energy strategy of the U.S. after the cold war