how are the pigs able to deceive the other farm animals under the guise of “animalism”?

In George Orwell’s Animal Farm, how are the pigs able to deceive the other farm animals under the guise of “animalism”?

What lies do Napoleon and his pigs tell the other farm animals in order to excuse their acts of trading with humans? What are the means they use to force the animals to accept the lies?

How do the pigs manage to give themselves extra privileges without causing a stir? Why are the animals so easily duped?

how are the pigs able to deceive the other farm animals under the guise of “animalism”?