The USA didn't want communism to spread.
Your teacher may have told you something specific that they want you to write here. If not, I would say it would be the glorification or demonization of any historical figure. Worshiping a certain figure by giving them constant praise and attempting to excuse every one of their immoralities, or showing a hatred of a certain figure by emphasizing their immoralities and attempting to belittle or invalidate their good deeds and accomplishments.
The main way in which southern blacks lost rights in the years after the Thirteenth, Fourteenth, and Fifteenth amendments was that "<span>c. Some white southerners used state legislation, segregation, and violence to limit the freedoms of blacks," in the years after the Civil War. </span>
