What was the grandfather clause? why was it created? why do you think these voters were called the pre-1867 voters?

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.

Brainliestttme : ) what economic changes occurred after world war ii? ( economic boom, baby boom, g.i. bill of rights)

Why have some historians rejected the labels bc and ad as laels for periods in world history