Help me please and thank u

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.

Which of the following was a similarity between classical mesoamerican and south american civilizations ?

Whose on-field leadership is responsible for the success of the united states in the battle of new orleans during the war of 1812?