The answer is "b, regression".
Regression is a psychological defense mechanism in which a man surrenders age-suitable adapting techniques for prior, more untainted examples of conduct. This regression is a type of withdraw, bringing back a period when the individual feels sheltered and dealt with.
She recommends that he study: "the "black/nonblack" divide".
The reason behind this is that distinctions between blacks and all other groups when together are becoming increasingly important.
Contemporary nonwhite migration from Latin America and Asia, expanding racial/ethnic intermarriage, and the developing number of multiracial people has made the dark white shading line now appear to be behind the times in America, thus bringing up the issue of whether the present shading line is developing in new ways toward either a white-nonwhite partition, a dark nonblack partition, or another tri-racial chain of command. Keeping in mind the end goal to measure the arrangement of the present shading line, we inspect designs of multiracial distinguishing proof.