Lord Acton's belief about the corrupting nature of power can be seen in the political landscape that defines Animal Farm.
One of the reasons why Orwell's novel is so powerful is because it is a study of political power. Whoever is in political control of the farm displays corruption. As the novel opens, Farmer Jones is corrupt. He abuses and exploits the animals because he can. No one is able to challenge his authority. Part of the reason why Old Major's appeal resonates with the animals is because he is right in expressing Farmer Jones's corruption:
And you hens, how many eggs have you laid in this last year, and how many of those eggs ever hatched into chickens? The rest have all gone to market to bring in money for Jones and his men. And you, Clover, where are those four foals you bore, who should have been the support and pleasure of your old age? Each was sold at a year old—you will never see one of them again.
Jones is corrupt...
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