Yes
None, the US currently only refurbishes existing bombs.
No, the US has bigger, more accurate bombs.
No. The US gave them cryptic messages about the bombs and never told them they had atomic bombs.
No Atomic bombs have even been dropped ON the US.
"Major bomb" is not a technical term for any explosive device, so it is impossible to determine what the proper answer is. The United States, however, used NONE of the following types of bombs during the War in Iraq: napalm bombs, cluster bombs, firebombs, chemical weapons, biological weapons, or nuclear weapons. By contrast, the US used targeted aerial bombs, tomahawk missiles with conventional warheads, shrapnel grenades, and numerous other types of explosive devices.
At this time the US builds no nuclear bombs. A small number of existing bombs are refurbished as needed.
incendiary bombs.
U.S. Bombs was created in 1993.
The US has dropped atomic bombs in 1945 on two Japanese cities, Hiroshima and Nagasaki.
Total war means atomic bombs.
by plane
the US decide to drop two atomic bombs on Japan, not china