What are the three most common types of sentences errors

In the conclusion of the radio broadcast war of the worlds, orson welles:

It was fifteen minutes before i could work myself up to go and humble myself to a ; but i done it, and i warn’t ever sorry for it afterwards, neither. i didn’t do him no more mean tricks, and i wouldn’t done that one if i’d a knowed it would make him feel that way. in at least one hundred words, describe what central theme in the adventures of huckleberry finn emerges in this excerpt, and how its emergence relates to the social norms of the time.

What is the most likely reason schlosser uses a direct quotation in this example excerpt from fast food nation