Answer:
After the WW I, America was in a chaos situation with strikes in the steel and meatpacking industries along with riots in the big cities like Chicago. People were tired of war and reforms, economic was in recession. The presidential election of 1920 became a symbolic election in America after the WW I. The Candidate Warren G. Harding from Republican came with a promising slogan of 'Return to normalcy' which became a general issue and led him to win the election.