With the break up of the Soviet Union 12 years ago, a new era of international politics began, fundamentally altering the structure of the global political system. For the first time the world faced a unipolar system in which only one superpower dominated - the United States became the first 'global hegemon'. The implications of this are still working themselves out - indeed it took over a decade for many, including America, to realise that the United States had hegemonic power.