Although There Are Many Mixed Motives for Immigration, the Main

Although there are many mixed motives for immigration, the main explanation for the massive movement of people to the United States in the early twentieth century was that…

A) employers in the United States mounted massive recruiting drives, sending people all over Europe to convince people to emigrate to the United States.
B) people all over the world learned about the mosaic of social worlds in American cities and wanted to be a part of that.
C) the immigrants' countries of origin were experiencing population explosions and dislocations.
D) the immigrants yearned for freedom and riches in the United States.