Answer: All of the answers are correct
Explanation:
Manhattan Project
the development of the atomic bomb, the best-kept secret of the war, even Truman didn't know about it when he became president; it was called that b/c it was mainly being worked on at Columbia University in Manhattan
hope this helps!
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Answer:
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Explanation:
what do mean ??im confused .-
C. The American role in international affairs and the nations economic future.
