The General Accounting Office (GAO) assists Congress in its oversight function by . A. drafting legislation for members of Congress B. auditing the financial expenditures of the executive branch and federal agencies C. evaluating the president's economic projections and proposed budget D. evaluating Supreme Court decisions for members of Congress

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.