A law is declared unconstitutional if it the constitution

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.

Answer the following question in 3-4 complete sentences. explain the arizona highways leak and its outcome.

In the gettysburg address, which rhetorical device does abraham lincoln employ when he says, "the world will little note, nor remember what we say here, but ic never forget what they did here"?