Too oblivious to see through Napoleon's lies, the animals believe his false explanation for Boxer riding in a Slaughterhouse car. Later, Napoleon buys a crate of alcohol with money that no one can explain where he got it from.
Years later, with hardly any of the original commandments left, the pigs teach the animals a new chant. "Four legs good, two legs better!" The pigs start dressing in the farmer's old clothes and team up with humans to learn better ways to control animals.