Large buildings that house machines used for manufacturing are called

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.

How was george washington able to defeat the british in the battle of trenton and princeton

What was a major failing of the united states government under the articles of confederation?