In the book animal farm how does napoleon stay in charge ?

Napoleon uses propaganda to persuade the other animals against questioning his authority and twists information to convince the animals of lies instead of the truth, for instance in getting everyone to turn on Snowball and believe the windmill had always been Napoleon's idea. Eventually we also see Napoleon keep his power by instilling fear by threat of his vicious dogs.

If you look at the surrounding words, you can get a general basis of what another word for inviolate would be. i would say that it is pristine