I agree that the western powers instituted an airlift that lasted nearly a year and delivered vital supplies and relief to West Berlin. The Berlin Blockade, and the Allied response in the form of the Berlin Airlift, represented the first major conflict of the Cold War. Which At the end of World War II, the United States, Britain, France and the Soviet Union divided the defeated Germany into four occupation zones, as outlined at the Yalta Conference in February 1945 and formalized at Potsdam later that year.