No.1 answer: The subtitle of Animal Farm is Animal Farm:A Fairy Story.
No.2 answer: The historical figure that Napoleon the pig represent is the Soviet dictator, Joseph Stalin.
No.3 answer: The core principles of Animalism are that any animal that walks on two legs, not four, is an enemy, while any animal that walks on four legs or has wings is a friend. Animals cannot wear clothes, sleep in beds, drink alcohol, or kill other animals, and all animals are equal.
No.4 answer: Two pigs which share power after revolution are Napoleon and Snowball.
No.5 answer: Napoleon becomes the sole dictator of Animal Farm.