Which is the major reason for the ethnic diversity of New York City?

Question

a) It is the “money capital” of the United States.
b) Before it became a large city, it was an important farming area.
c) It was the main port of entry to the United States.
d) It is the center of fashion, publishing, advertising, and the arts in the United States.

Answer 1

c) It was the main port of entry to the United States.