What shifts in population might be attributed to advances in technology and changes in regional economies during america's industrial revolution?

Secretary of state kissinger engaged in to reach a cease-fire between israel and arab nations.

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.

What was feudalism? (define the structure)