Question

economic integration and contemporary revolutions
sputnik was the first unmanned satellite launched into orbit in 1957.
during which decade were manned satellites first sent into orbit?
1960s
1950s
1940s
1970s

Explanation:

The first manned spaceflight with a human - carrying spacecraft into orbit was Vostok 1 in 1961, which was in the 1960s.

Answer:

1960s