Step-by-step explanation:
United States dropped 2 Atom bombs, on Hiroshima and Nagasaki. The bomb killed massive Japanese citizens, men's, women's, and children. Ten's, Thousands, and more. President Truman stated, that the drop is for Japan surrendering, and President Roosevelt made a decision because of the attack of Pearl Harbor. After the drop of bomb, US put General Douglas McArthur, for healing the bleeding Japan. Today, Japan an USA are really close friends, helping each other, and others.