2. what does the term sectionalism mean?

restriction of interest to a narrow sphere; undue concern with local interests or petty distinctions at the expense of general well-being.

Explanation:

Sectionalism is a partiality for a particular place, like when a US politician shows little interest in other countries or when someone who lives in Alaska only cares about policies and laws that directly affect her state.

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."