Which is the most accurate description of the office of the president?

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.

Tension between the british and boers was caused primarily by what things?

Explain how concentrating solar power (csp) technology works