This passage states a gap between the animals’ optimism and the harsh reality of totalitarian’s which creates drama. The descent into tyranny has been gradual and it is not until the end that appears a restatement of the original ideals before the betrayal.
During The Great Depression no one had any money and everyone was out of their jobs. It was extremely hard times, so this song "Brother, Can You Spare a Dime?" was saying "I need money. Could you spare even a dime."
