Who is the current prime minister of Malaysia

Ineed to try to get this right so i can get a good grade so can someone me

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.

Persons or group opposing or hostile to another person or group the definition word is