Magna carta was written in 1215 as a contract between king john and some noblemen. the immediate purpose was to have the king promise to respect the rights of those noblemen so they did not have to start a civil war to force him to do so. what basic principle is established in that document?

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.