How did Orwell's experiences in the Spanish Civil War influence him to write Animal Farm?

George Orwell changed during the Spanish Civil war. The influence of the war was so strong, that he felt hate to communism and those feelings he demonstrates in Animal farm. He demonstrates the irony of pigs' actions that do the opposite of what the mayor ordered them to do. He sows pigs as self-serving.

Explanation:

Pigs indulge many luxury things, even though they criticized men:

"And remember also that in fighting against Man we must not come to resemble him. Even when you have conquered him, do not adopt his vices. No animal must ever live in a house, or sleep in a bed, or wear clothes, or drink alcohol, or smoke tobacco, or touch money, or engage in trade ..."