During the late 1800s and early 1900s, America experienced a wave of immigration from parts of Europe and Asia. Which of the following was most likely a result of this trend?

A.
Western states, such as California and Oregon, created economic programs for women.
B.
Midwestern cities, such as Chicago and Cincinnati, experienced an economic decline.
C.
Southern states, such as Georgia and Texas, provided government assistance to newly immigrants.
D.
Northeastern cities, such as New York and Boston, experienced an increase in ethnic diversity.

D. Northeastern cities, such as New York and Boston, experienced an increase in ethnic diversity.