I’d say it’s the rising action. I’m not very sure though, but based on normal high society logic I’d believe it’s the rising action of a plot.
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.
Answer:
there are many websites that can help you create a thesis statement all you need to do is search thesis statement generator. here is one that i found:
https://www.esc.edu/learning-support/thesis-generator/index.php
A supporter or a helping jand