Only WW2.
The US dropped the atomic bomb onto Japan on August 1945.
Yes.
Hyroshima
We were the only ones who had it
As a noun. You could always go with "My teacher asked me to use "atomic bomb" in a sentence." Let us know how that works out for you.
the us created the atomic bomb
The atomic bomb did not exist until 1945, so no it could not be used by anybody in WW1.
If you consider the US atomic bomb is a Christian bomb, the French atomic bomb is also Christian bomb and so on, then you can name the Pakistani atomic bomb an Islamic bomb.
Germany had surrendered before the bomb was operational.
atomic bomb
That was on August 6 1945.
To defend against a possible Nazi atomic bomb!