Christianity is considered an umbrella word because

following type of cultural development caused people to want and buy new products on the market :

your answer would be just capitalism.

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.

four sitting presidents have been assassinated while in office but the first was abraham lincoln,