| In the 1950s, Sino-Soviet relations experienced a complicated process of "alliance, 'honeymoon' and divergence" and had a great influence on international relations at that time. It is certain for us to pay much attention to their own domestic situations when the evolution of Sino-Soviet relations in this decade is to be analysed. But what we still have to pay attention to is that international situations exactly had a great influence on Sino-Soviet relations in this period. America was considered as the most important country having influenced on Sino-Soviet relations in this period. It is just the main issue discussed in this thesis.The thesis consists of introduction, the text, the conclusion and the references.The text is divided into three parts, in each of which the goals, methods and effects of American "wedge-driving" strategy of cracking Sino-Soviet relations are to be explored . At the last of each part, a summary of what caused these effects is given.It' s concluded that U.S. played an important role in Sino-Soviet relations in the 1950s. Under the background of the Cold War, American government persisted in pursuing the "wedge-driving" strategy and attempted to drive a "wedge" between China and the Soviet Union. For the sake of the change of international situations and their own domestic situations, American "wedge-driving" strategy had its different goals, methods and effects in each stage of Sino-Soviet relations. |