Animal farm is a book about how the animals all get along when odd things start happening in the farm. The theme of animal farm is the idea of tyranny and how it would work in the farm. When the old pig has a dream about living free without people controlling them, he decides to turn this into a reality.
Hemingway was driving an ambulance in Italy not because he had been injured or because he was a doctor, but because he was assisting the Red Cross on the Italian front.
Hemingway first served in World War I and later lived in Paris. He also wrote A Farewell to Arms after the war and drew on his personal experiences to do so. Finally, he retired to Key West.
Hemingway's writing style was anything but commonplace or boring. In fact, it was the lack of wordiness and the creative succintless that made Hemingway's works so popular.