In July and August of 1945, the Potsdam Agreement called for the division of post-war Germany into four temporary zones controlled by the U.S., England, France, and Russia. The city of Berlin was also divided into these four zones; however, the problem was that Berlin was located about 100 miles within the Soviet-controlled zone.
It was difficult to divide the zones because each zone was compared of the size Russia the Soviet Union wanted the bigger price and the other western powers wanted the other zones
