President Truman.
Against the Axis powers, of which Japan was part of. (The Bomb was dropped on Hiroshima and Nagasaki, Japan). The emperor of Japan at the time was Hirohito, and Hitler was in control of Germany and Europe.
The hydrogen was strongest compared to the atomic bombs use in Hiroshima and Nagasaki at almost 10 times.
The USA used a nuclear bomb on Hiroshima, Japan.
hiroshima and then nagasaki
The first combat use of the atomic bomb was against Hiroshima, Japan on 6 August, 1945. Three days later, on 9 August, the second (and so far last) use of a nuclear weapon in combat was made against Nagasaki, Japan.
The American President, Harry Truman, made the decision to drop atomic bombs on the cities of Hiroshima and Nagasaki.
atomic bomb on Hiroshima and Nagasaki
That was on August 6 1945.
1945 during World War II on the two Japanese cities of Hiroshima and Nagasaki.
atomic bomb
The American President, Harry Truman, made the decision to drop atomic bombs on the cities of Hiroshima and Nagasaki.
The atomic bomb was developed on the basis of "if we don't do it, someone else will and they'll use it against us". In this respect, its developers were partially correct - other nations did develop the A-bomb soon afterward - but novody has since proved either unintelligent or desperate enough to use one (aside from the Nagasaki and Hiroshima bombings).