China from the Republican Revolution in 1911, to the Asiatic financial crisis in ‘97/’98. The deep transformations at the origins of contemporary China’s culture, society, politics and economy. The new international role of the PRC. The long period basis of chinese economy development. The evolution of Chinese Foreign Policy: fron Nationalism to Socialism and the role of International Organizations. Rejecting en egemonic international system or conceiving a new ‘Tributarian System’?