Which statement is true regarding the consequences of World War II on the immigrant population of the United States?

A) Immigration reform after WWII focused on the ethnic origin of the applicant.
B) WWII demonstrated the need for more restrictive quotas against European immigration.
C) Immigration after WWII was only available to countries that were economically linked to the United States.
D) WWII increased the refugee population of the United States to a higher level than any other western nation.

Ahistorian has discovered a letter written by an early roman emperor. she translates the letter and discovers that it contains orders to a general before a battle. she works to determine when the letter was written to figure out which battle the letter references.the historian in the passage is most clearly demonstrating which historical thinking skill? a. identifying causes and historical contextb. thinking chronologicallyc. making and evaluating arguments and interpretationsd. analyzing historical sources