A what is a tactic where an army tries to capture a fort or town by surrounding it and preventing supplies from reaching it. Vicksburg is an example of this tactic.

siege

Explanation:

siege - a military operation in which enemy forces surround a town or building, cutting off supplies, with the aim of compelling the surrender of those inside

explanation:

the muslim keep their culture pure by finding new value

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.