Implied powers could best be defined as powers

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.

Mark each statement if it describes a characteristic that pulled the greek city-states together? national anthem poetry of homer food growth and preparation

31/3: which equation has the solutions x =?