It was both: an atomic bomb using uranium as its fuel.
They had to rebuild the city of Hiroshima and Nagasaki
The dropping of the atomic bomb on Hiroshima resulted in its total annihilation.
President Truman stated that he needed to end the war and to collapse Japan's means to make war ever again.
See: Atomic bombings of Hiroshima and Nagasaki
hiroshima
Hiroshima, Japan
An Atomic Bomb I think.
Hiroshima & Nagasaki.
1945
The atomic bomb was dropped on Hiroshima and Nagasaki in World War 2.
One day after the atomic bomb hit Hiroshima in Japan.