How did the American demographic make-up change in the last few decades few the Twentieth Century? How has that change affected ONE of the
following:
1. Voting patterns and political representation
2. Economic growth
3. Cultural diffusion (the introduction of new cultural traditions or ideas)

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.