Question

what was the main accomplishment of the manhattan project during world war ii?
the discovery of the uses of radar
the mobilization of the labor force
the passage of the selective service act
the development of the atomic bomb

Explanation:

The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons. It focused on developing the atomic bomb. Radar discovery, labor - force mobilization, and the Selective Service Act are not related to the main goal of the Manhattan Project.

Answer:

D. the development of the atomic bomb