Attitudes about minorities or different people are likely to change when the government takes the lead and make changes - Let's consider the role of the government in schools desegregation process in the 50s and 60s, for example.
Refraining from making any comments about being superior around children will prevent them from criticizing and judging others when they grow adults.
Reading stories and history about people who are different is a way to access and discover new cultures and accept people differences.
Finally, every human being is educated with prejudice. It is important to remember it to modify our attitude when we are about to criticize someone.
The correct answers are: A, C, D and E.