What was the rivalry of the command For animal farm?

In George Orwell's "Animal Farm," the rivalry primarily exists between the pigs, led by Napoleon and Snowball. Napoleon eventually drives Snowball out, consolidating his power and establishing a Dictatorship. This rivalry symbolizes the struggle for control and the corrupting influence of power, as Napoleon's authoritarian regime betrays the original ideals of the animal rebellion. Ultimately, the conflict highlights the themes of betrayal and the cyclical nature of oppression.