After 9·11 incidents, the idea of hegemony which USA has formed since Cold war is mauled, the unbalanced state of hegemonic strength structure undoubtedly appears. All kinds of following challenges force USA to consider the international environmental changes of the times after Cold war again. In order to achieve the purpose to maintain global hegemonic status, USA make and implement the new global strategy to remedy the weak link of one's own hegemonic strength structure. Meanwhile new strategy implementation directly caused the relation of major powers to shake deeply, display the obvious "fission" situation, move towards exerting a far-reaching influence on the future of the international politics.The thesis is divided into three parts. The first part analyse USA's hegemonic strength structure and predicament and challenge faced; The second part analyse the value of USA's hegemonic maintenance strategy from two aspects, global and region, then expound its main characteristic; The third part analyse the fission between major powers which was caused by USA's hegemonic maintenance strategy. |