Http://www.sparknotes.com/lit/animalfarm/characters.html
Answer:
As it turned out, the narrator accidentally buried the cat inside the wall when he was sealing his wife in the wall. In the end, his distorted view of reality and his overconfidence is the reason why he is caught
When writing a persuasive essay (or giving a persuasive speech) the speaker should tell them what you're going to tell them, tell them, then tell them what you told them. Also the speaker should present the opposite viewpoint and then disprove that point with their point
I would go with the last one but I’m not a 100% sure. :)