Which of the following statements best describes the reason why West Berlin was vulnerable to Soviet threats after World War II?
The Soviet Union was the only nation that occupied the city of Berlin after the war.
West Berlin was surrounded by the Soviet zone, far from the areas occupied by other Allied nations.
France, Great Britain, and the United States refused to split the occupation of the city of Berlin with the Soviet Union.
Berlin was located in West Germany, which was under constant threat of attack by the Soviet Union.