It was a weapon of mass destruction designed to attack an area target.
Nuclear. At the time it was called an atom bomb.
To make deadly Nuclear bomb
No.
Nuclear fusion.
In the Nagasaki bomb, about 14 pounds. Design criteria on later weapons is classified.
It wasn't just one bomb.. It was a huge nuclear bombardment during the Great War with China.
The cost of the plutonium used in a nuclear bomb can vary greatly, depending on factors such as purity, quantity, and production method. However, estimates suggest that the plutonium used in a typical nuclear bomb could cost millions of dollars.
Te nuclear bomb
Only the USA
United States in a bomb!
Plutonium
Only the United States has used nuclear weapons in combat, that was the two bombs dropped by B-29s on Japan to end WW2.