Which of the following factors affected the us economy during the 1970s? a. stagflation b. low inflation c. low unemployment d. high gdp

The correct answer is stagflation

This involved a high rate of both inflation and unemployment. Before the 1970s, economists believed that there was an inverse relationship between inflation and unemployment. However, they had to reconsider this theory when the U.S entered a period of slow growth and high inflation

stagflation

Explanation:

these civilizations were located around fertile rivers, where they could produce an abundance of crops