Which statement explains why the Manhattan Project was an important part of the United States' strategy for winning World War II? a

It led to the production of large numbers of aircraft used to win the air war in Europe and the Pacific.

b

It supplied the Allies with the weapons and ammunition needed for its successful invasion of Normandy.

c

It prevented Germany from developing weapons that could reach the North American mainland.

d

It gave the United States the weapons that forced Japan to surrender without an Allied invasion.