22. The Manhattan ProjectA. was kept a secret from the entir…
22. The Manhattan ProjectA. was kept a secret from the entire Executive Branch except President Roosevelt and Vice President Truman. B. enabled the development of an atomic weapon based on the theories of German scientists involving energy and matter. C. was operated jointly by the United States and Great Britain. D. produced an atomic bomb that was successfully tested before FDR’s death in 1945. E. Both B and D.
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