Please help me with this passage for the book 'Animal Farm'!!?

The animals of Manor Farm staged a coup d'etat and installed a fairer system of control on a renamed farm. However, the pigs, a bourgeois of the animals, seized power by manipulation and control of the commandments written on the walls. Squealer was in charge of propaganda which undermined the equality of all animals. The animals had naivety and could not recall the manifesto. Boxer was a worker and believed in pragmatism. Old Major provided the solidarity and the anthem but the animals displayed political idealism.