Who are the leaders of the European theater?

The primary leaders in the European theater during World War II included Allied figures such as Winston Churchill, the British Prime Minister; Franklin D. Roosevelt, the President of the United States; and Joseph Stalin, the leader of the Soviet Union. On the Axis side, key leaders were Adolf Hitler, the Chancellor of Germany; Benito Mussolini, the Prime Minister of Italy; and Hirohito, the Emperor of Japan, though Japan's main activities were in the Pacific theater. Their strategic decisions greatly influenced the course and outcome of the war in Europe.