To Kill a Mockingbird: Racism If we don't understand the meaning of evil, how can we justify something as evil? We label things because we feel the horror that will come from them. If we don't know the consequences for actions, how can we state which actions are right and wrong? That is why we need to teach To Kill a Mockingbird. To Kill a Mockingbird gives examples of racism, prejudice, and the lack of understanding between one human and another. These feelings were not given as a positive point from our past however, but rather a negative period from our history. It shows our past mistakes in order to lead to the fortune of our future. For example, one of