Who is steve jobs what was his invention

According to thomas hobbes concept of the social contract, what do people exchange for the protection by the government?

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 areas where seperated by the iron curtain