Socially, it is clear that Orwell wants to modify the prevailing attitude to sexuality. Specifically, he wants people to have the freedom to have sexual relationships with whomever they choose. He also wants people to have complete control over who they marry. This is shown clearly by Winston's words as he and Julia have sex for the first time (at the end of part two, chapter two):
Their embrace had been a battle, the climax a victory. It was a blow struck against the Party. It was a political act.
This idea is also reinforced by the portrayal of the Junior Anti-Sex League earlier in the book. Winston's disdain toward the promotion of celibacy suggests that Orwell would like to see such puritanical attitudes eradicated.
In terms of politics, Orwell also promotes the freedom of speech. We see this through Winston and his diary. Although keeping a diary is not against the law, Winston knows that if caught, he will be imprisoned in the Ministry of Love—at the very least. When Winston finally gets...
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