Probably bcuz the japan bombed pearl harbor.
I think the only good reason was to bring the war to an end.
Atomic Bombs
The drop of the atomic bombs on Hiroshima and Nagasaki
To "convince" Japan to surrender in WWII.
hiroshima and nagasaki
The reason was to end the war with Japan .
Harry Truman authorized the use of atomic bombs against Japan.
Japan has never had atomic weapons. There were two atomic weapons used against Japan by the US in August 1945. Please do some reading.
The atomic bombs were delivered by the USS Indianoppolis
to scare Japan
Atomic bombs were dropped on Hiroshima & Nagasaki in Japan at the end of WW2.