Who supplied most of the labor on cotton plantation?

Which of the following two groups did not do battle with the romans? select all that apply.

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.

Why is james madison significant in regards to the bill of rights?