During the second major wave of immigration, from the late 1800s to early 1900s, immigrants to the United States came mostly from __________.

AMexico, El Salvador, and Guatemala
BChina, Japan, and Vietnam
CScandinavia, Italy, Poland, and Russia
DEngland, Spain, Greece, and Portugal

User: Which US region has a population that is most likely to be dominated by people of Irish, Italian, Puerto Rican, and African American backgrounds?

Athe West Coast
Bthe Midwest
Cthe ...