. What issues contributed most to sectionalism in the United States?

Explanation:

There are four categories which can be categorized under all the problems that separated the country mostly during building up to the Crisis:

All these problems contributed to sectionalism in the U.s and brought the nation to the verge of war.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live