A possible theme would be that the struggle between good and evil often results in a Pyrrhic victory.
The word "Pyrrhic" refers to the results of the conflict, where the victor's losses are almost as great as those sustained by the conquered. In a Pyrrhic victory, there is the sense that the victor's gains have been nullified by the extreme losses incurred. If you're interested, please refer to the link below about the origins of...
She is saying that in reading the story if the reader begins to have feeling for the character then they will invest much more to understanding the meaning of the story
Walter Cunningham's jaw muscle twitches because he is ashamed and self conscious about his low income. The teacher is new to Maycomb and is unaware of this economic difference that is present in Maycomb.
