Which of the following challenged jim crow laws after reconstruction ended?

1.who controls fascism government? 2.who controls communism gov? 3. how do they stay in power

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.

Which best describes how president kennedy apples to the audiences at the beginning of his speech?