A synopsis is a brief summary of a stories events-B.
It's saying that Atticus is a respectable person who doesn't see race as a reason to or to not defend someone; he's not racist. It shows that racism in the south is common, and that because of that, Scout has grown up being taught to be racist. Atticus is trying to turn her away from that and get her to focus on the person's true self, not the color of their skin.
Answer:
Sympathy involves understanding from your own perspective. Empathy involves putting yourself in the other person's shoes and understanding WHY they may have these particular feelings. In becoming aware of the root cause of why a person feels the way they do, we can better understand and provide healthier options.