How do you delete answers when someone gives a stupid answer

Which of the following individuals is promoting the idea of nationalism?

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.

1.     in what kind of government does a small group have a firm control over a country?