Reflecting on the Influence That Darwin Had on Many Intellectuals

Reflecting on the influence that Darwin had on many intellectuals of his day, Eliot devised a plan of barring unmarried southern and eastern Europeans from immigrating to the United States. What could have been his reason?

A) The immigrants belonged to countries that did not have good relations with the United States.
B) Married people were socially more stable and less likely to remain unemployed.
C) Married immigrants would be a lesser threat to the American gene pool.
D) Single immigrants would remit their earnings to their families outside America.