B americans gained a renewed sense of pride in their country
Revelations that spies in the US atomic program had passed secrets to the Soviet Union set off a nationwide panic that communist spies might be infiltrating many American institutions.
Allegations that Hollywood was rife with communists led the House Committee on Un-American Activities (HUAC) to investigate many actors, writers, and directors during the 1950s. Alleged communists were placed on a blacklist and barred from working in Hollywood.
Republican Senator Joseph McCarthy took advantage of this widespread paranoia to advance himself politically by accusing State Department employees of communist leanings. McCarthy's accusations were unsubstantiated, and the Senate eventually censured him.
The size of cities increased during the Gilded Age because more industries were coming up. Many rich men were able to bring industry and businesses to the cities. As in turn, more immigrants began to settle in cities, which increases growth.
