Army was forced to flee to taiwan after a civil war in china.

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.

Identify they difference in plant domestication between mesopotamia and mesoamerica during the neolithic revolution

What did the u.s. want to build on the land acquired through the gadsden purchase?