One of the factors that contributed to the downfall of both the inca and the aztec empires was their
a. lack of a natural immunity to diseases that the spanish brought with them from europe.
b. peaceful ways, which left them unprepared to make war on the spanish invaders.
c. belief that their iron cannons would protect them.
d. misplaced trust in the spanish, who ini

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.