 The authors state that China's military dominance in the Asia-Pacific is already eroding American influence at a rapid pace, and the costs for the US to defend its interests there will continue to rise.Moreover, China's economic influence has already broken out of its regional confines long ago and is on track to directly contest the US role as the center for economic trade and commerce.However, while China was referred to as an "emerging superpower" that could potentially challenge the eroding status of the US as sole superpower, it still lacked several factors until recently, particularly global military power.