Which of the following statements about the constitution is correct?

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.

How does the balance of trade look different in the us today vs hot it looked in the 70's

What was the mame given to the idea that americans should expand across the nation ro the pacific coast