after not being feed the animals attack Mr.Jones out of hunger and anger.
The animals are fighting Mr.Jones and his friends for who should keep the farm. After the animals take over the farm Mr. Jones comes back with his friends trying to reclaim it.
This is a character vs character because Napoleon and Snowball have been arguing about what they should do. Napoleon wants to gather and make more food while Snowball wants to build a windmill so that they have electricity . It got to the point the Napoleon used the his nine dogs to chase Snowball away