I believe the answer is: A.a New York businessman who relocated to Mississippi
Carpetbagger refers to the people who are perceived to take advantage of unstable political situation in the country in order to obtain financial profit. The most likely people who called a carpetbagger are most likely businessman from northern states who tried to explain their influence on the southern states by bringing technological advancement.
Explanation:
It had many causes, but there were two main issues that split the nation: first was the issue of slavery, and second was the balance of power in the federal government. ... Without slaves, the South believed that their region's economy would be destroyed.
The answer will be setting because the reader will have a different mindset when they see the setting of the story