Answer:
During the 1920s, the arts and media responded and adjusted to shifts in the larger society. World War I had changed America's relation to the world, the American economy boomed after the war, and young people embraced more modern lifestyles. The arts responded to all these social trends.
Explanation:
311 million
In 1776, the next largest cities were New York City (25,000 people), Boston (15,000), Charleston (12,000), and Newport (11,000). All are rough estimates as the U.S. Census enumeration did not begin until the 1790. Today, in 2012, the U.S. population has blossomed to 311 million.
Source: http://economistsoutlook.blogs.realtor.org/2012/07/03/largest-cities-in-the-united-states-in-1776-and-in-2076/
The industrial age brought with it problems such as pollution and monotonous labor
