The answer is: The author highlights a woman’s inability to borrow money without a man’s signature.
To be able to borrow some money from the bank, the character Nora needed a man to sign the papers for her. Since she couldn't let her husband know about it, she seems to have forged her father's signature to receive the loan.
Context:
The conversation in this excerpt reveals a plot complication in the story. Nora borrowed money from the bank without her husband's knowledge of the fact. She had needed the money to take her husband to Italy when he was sick. Nora lied to him, telling him she had gotten the money from her father.
Krogstad works at the bank with Nora's husband and is about to be fired. He blackmails Nora, as we can read in the excerpt, so that she will help him keep his job.
There is no answers. So we cannot help.
Miss Stephanie tells Jem and Scout about an incident that happened between Atticus and Bob Ewell earlier in the day. On the post office corner, Bob Ewell spat in Atticus's face and told him that he'd get him even if it took the rest of his life.
Bob Ewell is angry with Atticus for revealing the truth about what happened to Mayella in court. Atticus confirmed what the town had long suspected - that Bob Ewell was an abusive father and terrible person. This threat of Ewell's is not empty. Later in the story, his desire for revenge is attempted on the Finches.
Life is short
live for god and the ones you love
always forgive and forget
always love everyone
never hate
repent your sins
and love Jehovah God