The growth of modern nation-state has led to the expansion of power to supply raw materials and develop markets. Under such circumstances, competition for supply of raw materials and market development was inevitable between the advanced industrial countries and the later industrial countries. World War II was initiated by Germany, Japan, and Italy, whose capitalist system had not matured in order to overcome the economic crisis in a situation where the world economy collapsed due to the global economic crisis. his study was divided into Germany during the post-World War II process, and discussions on the origins of the German division were analyzed through international conferences at that time. The division of Germany was first raised by the Soviet Union in an effort to solve the threat of strong Germany, but was confirmed through the Tehran and Potsdam conference before and after the Yalta conference for the post-war treatment of World War II. The cause of the German division was the political intention of the Allied Powers to eliminate the strong threat to Germany, but it can be said that the stabilization of the hegemony of the great powers in the post-war process was more important.