Napoleon now quickly changes his mind about the windmill, and the animals, especially Boxer, devote their efforts to completing it. One day, after a storm, the animals find the windmill toppled. The human farmers in the area declare smugly that the animals made the walls too thin, but Napoleon claims that Snowball returned to the farm to sabotage the windmill. He stages a great purge, during which various animals who have allegedly participated in Snowball’s great conspiracy—meaning any animal who opposes Napoleon’s uncontested leadership—meet instant death at the teeth of the attack dogs. With his leadership unquestioned