In A Doll's House, what is the significance of Krogstad and Nora's relationship?
Nora's relationship with Krogstad powers the plot of the drama, complicating and intensifying Nora's internal and external conflicts, and pushing the play to its dramatic climax. Krogstad is essentially a functional character; without his presence, Nora's secret crime would not have been revealed, and her life would have continued just as it had since forging her father's name to the bank loan years before. The arrival of Krogstad's letter revealing the truth of Nora's actions brings the play to its climax, revealing Torvald's complete selfishness, and compelling Nora to leave her miserable marriage. Ironically, Krogstad's blackmail saved the rest of Nora's life.