The crux of the story.Conflicts between humans and animals, because animals want to equal to the revolution by the combined opposition of people to leave the farm.
The crux of the conflict between humans and animals. I want equality with animals and people need a total revolution against the people to leave the farm.
The crux of the matter.The conflict between humans and animals. Because the animals need equal with someone and want to revolt against the combination gave out to the farm.