How did the grooms national product (gnp) of the united states change between 1940 and 1944

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 geographic process is shown in this chart? (3 points) redlining gentrification filtering ghettoization suburbanization

All of the following cities are located in china except