C. the background conditions they came from.
D. the religious group to which they belonged.
27. The immigrants’ flushing in was considered a threat to American value mainly because _____.
A. the immigrants came from poverty-stricken nations of southern and eastern Europe.
B. the immigrants had been accustomed to poverty and dependence.
C. the immigrants had different homeland traditions and other particular characteristics.
D. the immigrants did not speak English.
28. “Citizenship classes” (Para. 4) were offered because Americans ____.
A. wanted to help the immigrants to solve their practical needs.
B. would not accept any groups with different traditions.
C. wanted the immigrants to deal with the threat to the American values.
D. wanted the immigrants to learn about and to keep the American values.
29. The political bosses helped the new immigrants for the main purpose of _____.
A. showing off their political powers and advantages.
B. getting support in elections.
C. assimilating the minority into the majority.