During which two time periods in American history, was there a confederate government?

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 an economic downturn, what can happen in countries that depend on high taxes to fund social programs?

Dalton developed the first model of the atom that showed the structure of the inside of an atom