What challenges faced the United States after World War I ended?

Major problems at the end of the war included labor strikes and race riots, and a lag in the economy due to farmers' debts. The Red Summer of 1919 saw an increase in violence in more than two dozen cities, as returning veterans (both white and African American) competed for jobs.

the economy crashed and America was in a shortage for everything like food, clothing ,money, ect. since world I america was in $208 billion dollars in dept and caused a great depression.

Explanation:

cuban communists pressured the soviet union to place missiles in cuba.