“All through that summer, the work of the farm went like clockwork. The animals were happy as they had never conceived it possible to be. Every mouthful of food was an acute positive pleasure, now that it was truly their own food, produced by themselves and for themselves, not doled out to them by a grudging master. With the worthless parasitical human beings gone, there was more for everyone to eat.”

The author uses the phrase “like clockwork” to show that …
-The harvest on Animal Farm went well
-The animals were being overworked
-The animals were so happy to be rid of human control
-The work on the farm was organized and going smoothly