The U.S. government attempted to convince people to conserve resources during World War 1.
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The middle class was different after the industrial revolution than it was before because prior to the Industrial Revolution, Europe had a small middle class. Following the Industrial Revolution, the middle class greatly grew.
After the industrial revolution, the lower classes were been able to "rise up" economically by getting new jobs in factories, thus much of the lower class entered the middle class.
Answer:
C. John Brown
Explanation:
John Brown's raid on Harpers Ferry was an effort by abolitionist John Brown, from October 16 to 18, 1859, to initiate a slave revolt in Southern states by taking over a United States arsenal at Harpers Ferry, Virginia.