LINDE: I will go at once and see Krogstad. NORA: Don’t go to him, he will do you harm.
Clurman states: “[Christine] being a worthiness consists in a prudent and indefatigable struggle to keep alive by dutiful occupation.” Because Mrs. Linde went thought hardships in the past, she could watch Nora go through something that could effect and ruin her life. After being [informed] about the predicament Nora got herself into. Christine’s character begins to unfold when she goes to confront Krogstad.
Mrs. Linde’s roll is more visible in act three; Her encounter with Krogstad will be the turning point for her character. Christine’s been right by Nora’s side, up until the night on Christmas Eve. As soon as Krogstad walks in the home of the Helmer, they engaged in conversation. Idsen uncovers that “[Christine] and Krogstad were once [admires].” Mrs. Linde offers hand in marriage to Krogstad and he happily accepts. Mrs. Linde mentions the current events with Nora:
MRS. LINDE: … What lengths a man like you might be driven by despair.
KROGSTAD: It I could only undo what I have done!
MRS. LINDE: You can. Your letter is lying in the letterbox