I have a presentation to do in english about the history of black people in the in America and I don't now where to start,

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.

Explain why hitler had over 6 million jewish people killed during the holocaust and what did it hope to accomplish

Which of the following encouraged westward expansion? a.the government decreased the price of federal land. b.each of these represents actions taken to encourage westward expansion. c.the government decreased the price of federal land d.the second national bank lowered the cost of borrowing money (reduced interest rates)