Final answer:
The Manhattan Project was a program that developed the atomic bomb during World War II.
Step-by-step explanation:
The Manhattan Project was a program that developed the atomic bomb during World War II. It was a top-secret research program spearheaded by the United States, with the goal of creating the world's first nuclear weapon. The project involved thousands of scientists, engineers, and military personnel, and ultimately led to the successful testing and deployment of the atomic bombs on Hiroshima and Nagasaki in Japan.
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