A Doll's House by Henrik Ibsen

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…door, and Torvald is no longer exposed to her manipulative nature, he realizes what true love and equality are, and that they cannot be achieved with people like Nora and himself together. If everyone in the modern world were to view males and females as completely equal, and if neither men nor women used the power that society gives them based on their sex, then, and only then, could true equality exist in our world.