While literature is useful what has happened in the real world is a better guide - the French and Russian Revolutions and the Spanish Civil War.

All tied together by the them of a Total State trying to enact total control over people.

Note that in 1984 the system actually let normal people be.

The one regime that did the most to change the views of normal people was the Soviet Union and their attempts to destroy Christianity. But even after killing tens of thousands of priests, the regime had lost most of their effective propaganda by the 30s.