Within a century of the conquests in latin america by spain and portugal, the native population had declined considerably from battle and disease. to offset this loss of labor, spain and portugal
a. imported slaves from africa.
b. encouraged european immigration.
c. improved agriculture through new methods of farming.
d. improved living conditions for the native populations.

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.