Answer: The animals expel Jones
Explanation: In this passage from Chapter 2 of "Animal Farm" by George Orwell, the detail that supports the idea that the farm is a symbol for Russia is the animals expel Jones. Manor Farm is a model for Russia. Mr. Jones represents Tsar Nicholas II, who was the last Russian emperor. During the Bolshevik Revolution, he was removed from his place as Mr. Jones was expelled by the animals.