How do the experts quoted support Bloch's arguments?

In the united states the largest number of sheep are raised in the a.west b.north c.east

Which product would have been most likely to have been traded in this area at this time?

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.