The use of nuclear weapons on the cities of Hiroshima and Nagasaki in the Japanese Empire by the United States put a final end to World War II and made the planned invasion of the Japanese Empires homeland code named “Operation Downfall”. The decision to drop the bombs came from the United States President Truman. Truman made his decision based of the information he had at hand and the situation of the American people at home. He also had help making the decision from his advisers. Dropping the nukes on Hiroshima and Nagasaki saved lives on both sides of the war. It prevented the United States from going through with the invasion of the Japanese homeland which would have cost the United States thousands of lives if not millions and it also