Need Help Please Listed below are FOUR factors that led to the feeling of upheaval in the U. S. in the years following WW1? Explain each factor.

Four Factors:
Influenza
Recession and Inflation
Labor Striks
Race Riots

Who ever answers first gets ! trade in the vedic age led to a.the rise of kingdoms because of the importance of controlling land and long-distance travel routes b.the building of an extensive system of roads because of the difficult terrain c.the creation of a large banking class because of the need to exchange different currencies d.the development of a centralized government that controlled the economic decisions of its people