Question

When the Soviet Union launched the Sputnik I satellite in 1957, what did many Americans fear?

Answer 1

They feared that the Soviet Union might be first in the space race

Explanation:

The Space race was part of the Cold War, each side tried to be first for its own prestige. This is why the first sputnik inspace was scareful for many Americans and Kennedy launched a space program to counteract the Soviets in the early sixties.