The other animals believed what and how Squealer influenced them and persuaded them, hence they also believed that not all animals are equal.
Explanation:
In the novel named Squealer, Squealer is the main character of the novel who is believed to have skills which can be used to persuade and influence the other animals.
Other animals believed that Squealer was so persuasive that he could also turn black into white with his talks. Squealer could persuade anyone of anything.
