You answer would be A or the first option because if they got the same results then it is most likely that they are both correct
Hope it helped! :-)
Answer:
Option B) Machines were invented that could do work formerly done by people
D. Increased migration to the United States
Answer:
The Vietnam War had a profound effect on America. The war also drastically decreased Americans' trust in political leaders. In foreign policy, the U.S. suffered from the so-called Vietnam Syndrome: a fear of getting involved in foreign ground wars that might become long, bloody stalemates with no foreseeable end.
mark Twain called the late 19th century the "Gilded Age." By this, he meant that the period was glittering on the surface but corrupt underneath. ... It is easy to caricature the Gilded Age as an era of corruption, conspicuous consumption, and unfettered capitalism.