As with many other things, the time was ripe. They were going to be built and used by someone, if not in WW2 then soon after.
See: Atomic bombing of Hiroshima and Nagasaki
atomic bombing
The Atomic bomb had to drop first, because after the bombing on Hiroshima and Nagasaki, Japan surrendered.
1945
The atomic bombing of Japan was done to end WW2 as fast as possible with as little loss of life as possible.
Yes. Atomic and nuclear have the same meaning.
After the atomic bombs, Japan surrender unconditionally since then, nothing happen in Japan without the US knowing it.
1945
The world needed peace and the atomic bombing brought it.
Tarata bombing happened in 1992.
Bombing of Barcelona happened in 1938.
Bombing of Tokyo happened in 1942.