<span>The mood for this is sad for this. She is talking about her mother being old and had lived a sad and fearful life. She feels as if its her fault her and is upset with herself and this saddens the mood.</span>
Heck Tate and Mr. Underwood are both on Atticus' side.
We especially see this when Heck Tate does not make an arrest in Bob Ewell's death.
I believe that the message the author is trying to convey in this excerpt is that humans need to take action to end further destruction of the natural environment, because if they don't, more and more species will disappear.
It is called <span>colloquialism. Hope this helps :)</span>
<span>Answer: Because Tom Robinson couldn't of harmed Mayella with his bad hand. It proves that it couldn't of been Tom Robinson and that it could of been her father.</span>