Opportunity cost means that something needs to be replenished. given up. ignored. paid for.

What enabled the drastic increase in us troop development to vietnam between 1964 and 1965?

According to douglass, what does the singing of a slave communicate? how does douglass feel about slave songs? in what way is slaves singing misinterpreted by some people? .

Which term best describe the first spaniards in oklahoma? a) explorers b) treasure hunters c) pioneers d) settlers i need this andwer