Question

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

Explanation:

The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons. It was led by the United States with the support of the United Kingdom and Canada. The project's main goal was to develop atomic bombs before Nazi Germany could.

Answer:

the development of the atomic bomb