The launch of this satellite marked the beginning of which period in American history?

A.
the Cold War

B.
the Great Depression

C.
the Progressive Era

D.
the Space Race

1 answer

The launch of the satellite that marked the beginning of a significant period in American history refers to the launch of Sputnik by the Soviet Union in 1957. This event is widely regarded as the start of the Space Race between the United States and the Soviet Union. Therefore, the correct answer is:

D. the Space Race