Suppose an author's intent is to teach a moral lesson. Why would he use allegory?

And that's poem by ruskin bond what does the use of the word heartbeat suggest about the narrator's attitude towards life

What is the central idea of paragraph 1 of the story?

Which literary device does orwell most use to support his purpose in writing in this passage? characters, to show that what happens on the farm is fiction allegory, to show similarities between the farm and the soviet union point of view, to show how the characters think about the murders setting, to show that events in the soviet union may have been caused by the economy