It is the antagonist because they are usually looked as an enemy or an opponent and clearly the enemy isn’t a hero, or narrator which leaves us with b and c and b means the same as the hero leaving us with C the antagonist
As a Great Gatsby lover, I know every inch of this and can tell you they stop at Wilson's garage on the way to New York City.
At the beginning of the novel Animal Farm, the animals wanted freedom. They no longer wanted to be slaves to mankind.
By the end of the novel, the animals are no longer slaves to mankind -- now, they are slaves to the pigs. The animals have substituted one master for another and will not get the freedom they once desired.
The pigs went from wanted freedom for all to just wanting freedom for themselves. They are no better than men.
In this way, they have gone against the ideals they professed to hold at the beginning of the novel.
Brr, hmm, shh, brrr, psst