Which of the Following Was a Direct Response to Anxiety

Multiple Choice

Which of the following was a direct response to anxiety over a loss of dominance by people of European descent in the United States during the late nineteenth and early twentieth centuries?

A) the expulsion of Mexican Americans from the southwestern United States
B) increased support for more restrictive immigration policies
C) the closing of the frontiers to new immigrants
D) increased support for more immigrants from southern and eastern Europe