Power naturally fell to the pigs not because they had earned it, or were the best for the job, but merely as a result of their social standing in the animal hierarchy.
The work of teaching and organizing the others fell naturally upon the pigs, which were generally recognised as being the cleverest of the animals' (P.9). The pig, Old Major was considered the oldest and wisest animal on the farm. The other animals may have thought it natural for any other pig to be like him and follow his vision and ethics of Animalism. Whilst Napoleon assumed the role of leader of the revolution, he was only able to maintain this position because the other animals took it for granted that the decisions he made were the right ones.
To maintain this position of power, Napoleon had to eliminate all opponents and make sure that the animals kept faith in him and his integrity. Using others and their credibility was another of Napoleon's tricks. Any animal who admired Boxer (one of the most well respected and famous characters on the farm) would have followed and imitated Boxer and his Napoleon is always right' attitude, thus earning Napoleon more supporters (much like the Labor Party did in their hiring of Peter Garrett ).
Napoleon and Snowball were supposed to be joint leaders of the revolution, but they had different