Despite Beijing's repeated assurance that China's rise will be ""peaceful"", the United States, Japan and the European Union as well as many of China's Asian neighbours feel uneasy about the rise of China. Although China's rise could be seen as inevitable, it remains uncertain as to how a politically and economically powerful China will behave, and how it will conduct its relations with the outside world. One major problem with understanding China's international relations is that western concepts of international relations only partially explain China's approach. China's own flourishing, i