Which best option completes the diagram?

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.

Why is the end of the cold war tied to the american domestic economy during this time?

Explain how the principle of separation of powers is reflected in the