WILL MARK BRAINLIEST PLEASE HELP

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.

What are the three ways that a republican state chairman can become a member of his party's national committee?

What event from world war l does the image most likely depict