a) It shows similarities with Stalin's Great Purge and reveals how dictators use fear to control people.
Explanation:
Like Stalin, who relies on the secret police to maintain control, Napoleon used the assault of his dogs to eliminate any challenge to his rule. One of the strongest analogies between Napoleon and Stalin has to do with the way the productivity at the Animal Farm plummets when Napoleon is in command.
I think the casket is a symbol of death and it is also a symbol of cruelty of the narrator that he took Doodle to see it and touch it to emphasize that they thought he was going to die so needed to be brought face to face with it.
