Although Aristotle is very specific in his requirements for what defines a tragedy, those elements don't necessarily create one. A story may contain one or more of those elements and not be a tragedy. On the other hand, as in the example of Oedipus, it may contain all of those elements and be considered a tragedy. However, it is not only the elements themselves that make a character tragic- it is the story as a whole that determines it.
             In the case of A Doll's House, those elements do not make Nora a tragic character. The first element states that the tragic character is in conflict with internal and external forces. In the beginning, it isn't obvious that Nora is in conflict with anything. She is perceived as a woman who is a bit self- absorbed and very willing to do anything to please her husband. Later, the audience sees that the external force she is in conflict with is her husband himself. Nora had to live the past eight years of her marriage to him believing that that is how a loving marriage should be. She couldn't step outside of the fishbowl and take an outsider's point of view on how their relationship really was. The internal conflict Nora has was the realization that her husband wasn't the kind of man she loves and that she had to make herself over. As the title implies, Nora is the doll that her husband plays with, and even her father before that. All her life, Nora was played like a puppet and neither her husband nor father gave her any real respect or credit for what she has accomplished.
             The second element states that the intermixing of events/circumstances and the character's actions result in his/her downfall. Nora's downfall was Torvald discovering that she borrowed money from Krogstad to save his life. From the beginning, it is apparent that Nora is very worried about Torvald discovering her secret and she makes many attempts to stop him from finding out. When Torvald does find out, Nora has a mental snap. I...