 At the Yalta Conference, held in February 1945, the United States, United Kingdom, and the Soviet Union agreed on the division of Germany into occupation zones.Soviet leader Joseph Stalin favored the maintenance of German unity, but supported its division among the Allies, a view that he reiterated at Potsdam.Estimating the territory that the converging armies of the western Allies and the Soviet Union would overrun, the Yalta Conference determined the demarcation line for the respective areas of occupation.