Attack on the Lusitania
?
Reasons for U. S.
Entry into World
War I
Zimmerman
telegram
German invasion
of neutral
Belgium
Which best completes the diagram?
U. S. ambitions in Mexico
Nazi invasion of Poland
Unrestricted submarine warfare
Assassination of Archduke Franz Ferdinand

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.