Franklin D. Roosevelt  Invented Nuclear Bomb
The Nuclear Bomb was invented in 1939

A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or from a combination of fission and fusion reactions. Both bomb types release large quantities of energy from relatively small amounts of matter.

Nuclear Bomb is a bomb that uses nuclear energy to cause an explosion.

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A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction.

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