Dog water, is it drinkable and healthy?

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 happened to the american economy after world war i?

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?