Final answer:
The project that produced the atomic bomb during World War II was the Manhattan Project.
Step-by-step explanation:
The correct answer is B. the Manhattan Project. The Manhattan Project was a research and development project that produced the first atomic bombs during World War II. The project started in 1939 and culminated in the successful testing of the bombs in 1945. It involved scientists, engineers, and military personnel working together to harness the power of nuclear fission.
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