Women protest against their own male family members drinking

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.

What were the four terms that american had to agree in order to live in mexico texas

Which region of the country had more representatives in congress as of 1860