At the end of Frankenstein, Victor and the monster both come to death. Victor dies on Captain Walton's ship while running from the monster. ... Then, Walton comes into the room where Victor's body is, and the monster is there, crying over him.
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In the excerpt, it is inferred that D. Nora is considering killing herself.
After Krogstad discovers that Nora has committed fraud against him, she realizes he could use that information to blackmail her husband. In this way, he would not lose his job but he would get a higher position. So Nora thinks about suicide as the only way to escape, but Krogstad warns her he will write Torvald a letter telling everything anyways.