Upgrade subject to access all content
What causes the fight between the humans and the pigs at the end of the novel?
They drink too much beer and become loud, angry and confrontational.
Napoleon insults the humans by refusing to call the farm "Manor Farm."
Mr. Pilkington's joke about the lower classes and lower animals upsets the pigs.
Napoleon or Mr. Pilkington (or possibly both) cheat at cards.
They can't agree on what to do about Mr. Frederick and Pinchfield farm.