In 1942,over 60 Percent of White Americans Endorsed Segregated Schools;

In 1942,over 60 percent of white Americans endorsed segregated schools; in 1988,only 3 percent endorsed segregated schools.These attitudes illustrate that

A) normative conformity changes over time.
B) the norms to which people conform change over time.
C) institutional racism is declining in the United States.
D) scapegoating is no longer normative in the United States.