B. Race riots in Chicago and other cities
The Yalu River also known by Koreans as the Amrok River or Amnok River. It is a river on the border between North Korea and China.
Technology affected American lifestyles in two main ways. First, it gave Americans more leisure time. ... The invention of radio and the boom in movies, combined with the growing availability of cars, allowed Americans to pursue a lifestyle that was much more centered around fun than it ever had been before