How did the United States react when oil production in Iran decreased after the Iranian Revolution? A. It set up many new oil refineries to increase the production of oil.
B. It passed the Energy Policy and Conservation Act to make the use of oil more efficient.
C. It developed the Deep Anadarko Basin to increase domestic oil production.
D. It created the Department of Energy to manage energy activities.
E. It introduced policies to decrease the demand for oil.

i believe it d) heterogeneous

native americans suffered high rates of poverty and unemployment.

during the late 1960s and early 1970sthe need for political militancy grew among the native americans. throughout the 1960s, they had been the nation's poorest minority group, the most deprived group, according to practically every socioeconomic measure. in 1970, the indian unemployment rate was 10 times the national average, and 40 percent of the native american people were below the poverty line.