This is a newspaper headline from 1957.
(what the newspaper says:)Soviet fires earth satellite into space; It is circling the globe at 18,000 M. P.H.; Sphere tracked in 4 crossings over U. S.
How did this event impact American history?
a. It inspired the international Space Race.
b. It inspired the development of the first atomic bomb.
c. It marked the decline of the United States’ global influence.
d. It marked the end of the Cold War.