We have always been at war with Eurasia. Entire armies clash in campaigns waged in distant, hostile lands. The people, working to fuel the war machine, keep churning out materials which are sent out to battles that no one sees or can verify. Successes are proclaimed in every town and city while defeats are played down. The people are told that victory is imminent.
Freedom is slavery.
If people make their own choices, speak their minds and live their lives, they are under extreme stress, according to Big Brother. But if they have no choice, it is easy. With no burdens, the people should be happy, but no one is. Utopia has a price. The Thought Police, like the KGB or the Gestapo, monitor everyone.