1 According to the article, technological advances facilitated immigration.
Which paragraph in the section "America Beckons But Americans Repel" BEST supports the idea outlined above?
2 Which idea is BEST supported by the information in the introduction [paragraphs 1-4]?
(A) Racial tension is the biggest factor in the immigration debates.
(B) Debates about immigration are woven into the history of the United States.
(C) The United States can be hypocritical in its stances on immigration.
(D) Americans will never stop arguing about immigration laws.
3 How did non-Europeans become the majority of immigrants to the United States?
(A) through the Great Depression
(B) through industrialization
(C) through restrictions beginning in 1875
(D) through the Immigration and Nationality Act
4 How have recent concerns about national security affected immigration?
(A) They have facilitated new laws that block some immigrants based on fears of terrorism.
(B) They have promoted new laws about who can legally work in the United States.
(C) They have restricted laws that discriminate based on nationality or religion.
(D) They have resulted in a low number of people in the United States who are foreign-born.