After the Cold War, the USA depends on its superior strength to subvert Mackinder's the Continental Centre boldly and dominate the world with the help of Mahan and Spykman's geopolitics. The USA regard these emerging countries or union, such as Russia, China, the European Union and India of the Eurasian Continental as a potential threat, and try to seek allies in the worldwide to curb the development of these countries. Today's conflict between Palestine and Israel, Ukrainian crisis, the rampant spread of terrorism in the Islamic state and the pass of the Japanese Security Act, are consequence of the alliance strategy of USA dominating the world.