How are the Ottoman and German Empire Street is similarly by the Allied powers at the end of WW1

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

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.

What did the us civil rights movement gain new momentum after world 2