PLEASE HELP!! Which of the events listed had most affected the early development of the United States? Why do you think so? What were the effects of the event?

The War of 1812

The Louisiana Purchase

The Monroe Doctrine

social act if im thinking of the right thing

explanation:

know it

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.