Someone ill give brainiest answers and a lot of points! what did the nixon doctrine accomplishand vietnamization?

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.

Poland a: nato b: warsaw pact c: not a member of either alliance

What is dussel's profession? a. law b. business c. dentistry fyi: this is based on the story anne franks