How did Pierce Butler’s personal financial losses (notably from the crash of 1857–58) lead to the decision to sell hundreds of enslaved people, and what does that reveal about the connections between debt and slavery?

The research question is: How did Pierce Butler’s personal financial losses (notably from the crash of 1857–58) lead to the decision to sell hundreds of enslaved people, and what does that reveal about the connections between debt and slavery?
The research question needs to be improved. It needs to focus on events or a group of people. Can you offer sound conclusions based on a single man’s experiences?

The research essay is attached as well as assignment instructions.