lt helped in a lot of ways u need to be more specific
D because yeah it says i need 20 characters
Answer:
The use of machines in manufacturing spread throughout American industry after the Civil War. With machines, workers could produce goods many times faster than they could by hand. The nation's abundant water supply helped power the industrial machines. Forests provided timber for construction and wooden products.
Explanation:
B and c because usually those assassinations were broadcasted to the audiences
Answer: The early 20th century was an era of business expansion and progressive reform in the United States. The progressives, as they called themselves, worked to make American society a better and safer place in which to live. They tried to make big business more responsible through regulations of various kinds. They worked to clean up corrupt city governments, to improve working conditions in factories, and to better living conditions for those who lived in slum areas, a large number of whom were recent immigrants from Southern and Eastern Europe.
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