As you know, this story reveals the problem of men's attitude towards women, especially this conflict shapes in relationships between husbands and their wives. So, at those times only a few men took women serious, mostly they were neglectful to women and didn't treat them like they were on a par. Even though you didn't give any options, I have got the answer and do hope it will help you: The shattered fruit jar symbolizes the broken and unhappy home in which Mrs. Wright lived.
The death of Curly is an example of the law of club and fang. He learns that violence doesn't just come from men with clubs, it also comes from dogs with fangs.
He explains how beautiful it is