The United States Of America used 2 Atomic bombs on Japan in 1945 - Hiroshima and Nagasaki.
The United States was attacked without previous notice. That is all they needed.
....... ........ ............
The United States, with the consent of the United Kingdom, dropped a uranium-based atomic bomb on Hiroshima, Japan, on 6 August 1945. On 9 August 1945 a plutonium-based atomic bomb was dropped on Nagasaki, Japan.
There were members of the scientific, political and military communities that strongly opposed the use of the atomic for varied reasons. President Truman over ruled their objections.
The United States in Japan during WW2.
President Truman
the united states throw a atomic bomb to japan
the answer is japan
It was dropped by the United States by orders of President Truman over Hiroshima, Japan.
The decision was the President's. He stated that he wanted to put an end to Japan's capacity to go to war.
Hiroshima and Nagasaki