The Industrial Revolution began in the 18th century, when agricultural societies became more industrialized and urban. The transcontinental railroad, the cotton gin, electricity and other inventions permanently changed society.
B. Plessy v. Ferguson
Not 100%, but hopefully that helps.
A. Micheal is actually incorrect he is thinking about world war 1, the united states didnt even join the league of nations even though it was our idea. The answer is A. "Over there" was a patriotic song about sending our soldiers "over there" meaning germany to defeat the "huns" which was a derogatory name for german soldiers because the the "huns" they had a spike on their helmet like the "huns" did.
Sam Adams and John Hancock