Industrial expansion and population growth radically changed the face of the nation's cities.
Answer:
Mainly the Soviet Union backed the Viet Minh otherwise known as the North Vietnamese as the USSR backed many communist/socialist countries around the world in small proxy wars against the United States to try and gain influence and expand communism. So your answer would be the Union of Soviet Socialist Republics.
Answer:
Only three-fifths of the enslaved population would be counted when calculating each state's representation in Congress.
Explanation:
Yes, it is true that the progressive income tax was aggressively sought by the Populist Party, since they thought that this would free the common man from financial instability.