How did slavery place the South at an economic advantage?

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.

What is a key believes of john locke in establishment of government

Who believed that the best economic system was on in which businesses compete to gain profit with minimal or no government control