What year did a disputed presidential election lead to Rutherford B. Hayes becoming president in exchange for presidential troops leaving the South?

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.

Mississippi, florida, alabama, georgia, louisiana, and texas all seceded from the union. true or false ?

The massacre at sand creek was an attack by a colorado militia on peaceful american indians. a colorado militia on a group of dakota warriors. american indians on peaceful white settlers. federal soldiers on a group of cheyenne warriors.