Ways of manifesting or expressing violence

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.

Who was william mckinley? what platform did he run on?

Which of president jefferson's actions did not reflect his belief that the federal gov. had only those powers spelled out the consitution