How did common sense affect the thirteen colonies politically?

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 did roosevelt support a europe first strategy even though it had been japan that had first attacked the us

The english document that laid the ground work for judges in the us to rule based on precedent is known as the