"Animal Farm": Movie vs. the Book

Like all books, "Animal Farm", the book, is different from "Animal Farm", the movie. One of the reasons is the characters. Some of the characters that were in the book were not in the movie. Those were characters like Mr. Whymper, Clover, and Mollie (who was only shown in part of the movie). In the movie, Jessie, the dog that was only mentioned in the first chapter, replaced Clover. Jessie narrated the story, was the main character, and was in the story the entire time.
Some of the events that were in the book were not shown or did not happen in the movie. …