Pls send help, i just need an answer for 4, 5, and 6

Brainliestttme : ) why was the launch of sputnik in 1957 important? -most in the u.s. had not thought the soviets were capable of producing satellite technology. - it made clear that the u.s. space program was dominant. - most in the soviet union had not thought the u.s. was capable of launching manned aircraft. -it established the fact that a more dangerous hydrogen bomb could be created.

In 1958, the aarp was organized to promote

In an effort to end the civil war, in 1864 the union planned to