What is the most likely meaning of the word avouch in this scene?

In 1840, victor went to germany. he went there to

Which words best describes the speakers?

Which evidence supports the inference that nora is afraid of what torvald will say if krogstad tells him about her forgery? do it for my sake—for your own sake—for the children's sake." "you don't know what that letter can bring upon us." "yes, it's too late." "you will never have to do that."