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The correct answer is code name for secret research and development program to build an atomic bomb during WWII
The Manhattan Project was a research and development undertaken during World War II that was successful in producing a weapon of mass destruction.
The correct answer is Code name for secret research and development program to build an atomic bomb during WWII.
The Manhattan Project was one of the most important scientific programs in American history. This lead to the creation of the first atomic bomb that could be used by the US military. Ultimately, the United States would use multiple atomic bombs at the end of World War II against the Japanese cities of Hiroshima and Nagasaki. The use of these atomic bombs changed the face of warfare forever.