How did changing demographics affect debates about American identity in the 1990s? Select one:
a. Immigration reform moved away from place of origin and toward social characteristics of the migrants.
b. Discussions of civil liberties moved away from groups that had historically been the focus of discrimination.
c. Increased diversity in migration led more groups of people to seek awareness for discrimination challenges they faced.
d. Many Americans began to fear what they saw as a loss of cohesive identity and called for greater immigration restrictions.