Describe at least 3 problems immigrants faced in the american cities in the late 1800s

Who was the american banker who was aggressive in promoting growth?

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.

Why did some states believe they had the power to overturn federal laws?