Organization of the foreign ministers of the U.S., Britain, France, and the Soviet Union
the World War II Allied Powers .
In meetings between 1945 and 1972, they attempted to reach postwar political agreements. They produced treaties of peace with Italy, Hungary, Romania, Finland, and Bulgaria and resolved the Trieste problem in 1946. They convened the Geneva Conference on the Korean War in 1954, and in 1955 agreed on an Austrian treaty. They recessed after failing to agree on German unification in 1959; in 1972 they paved the way for both East and West Germany to enter the UN.