These questions are from the book “As Dolls House”Someone help me please

3. After the death of her husband, what were Mrs. Linde's responsibilities?
4. Upon hearing that her husband was sick, which country did Nora take Torvald?
5. What was the real reason behind Mrs. Linde's visit to the Helmers?
6. At first, from who does Nora say that she borrowed money from? Why?
7. What is Krogstad's job?
8. According to Dr. Rank, what is society turning into?
9. What kind of mother does Nora seem to be to her children?
10. What is Krogstad demanding Nora to do?
11. What is the dangerous confession" Nora makes during her interaction with Krogstad?
12. How does Torvald view Krogstad?
13. Why do you think Nora's actions towards her children change at the end?