Americans.It's because the America have to take revenge for what Japan has done.
It didn't. Japan existed long before the atomic bomb
japan bombed pear harbour in America which got America involved in the war and then America went back 4 revenge.
Harry s. truman approved the dropping of an atomic bomb on japan.
The US dropped the atomic bomb onto Japan on August 1945.
The first atomic bomb was dropped on Hiroshima, Japan ; another on Nagasaki, Japan, 3 days later.
atomic bomb
Japan was negotiatin with the Soviet Union as the first atomic bomb was dropped.
Reconstruction.
Hiroshima, Japan
One day after the atomic bomb hit Hiroshima in Japan.
Indeed, leaflets were scattered over japan warnig about the bomb.