Help me plz it the last one plzz

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.

How did support for the allies change following roosevelt’s reelection in 1940?

How did the beliefs of the roman catholics differ from the eastern orthodox form of christianity?