The correct answer is "sectionalism."
Support of one section without regard to other sections or the nation as a whole is called sectionalism.
A general definition of sectionalism in politics is when the government shows favoritism or appreciation over one section or faction of the nation, instead of the whole. This means, to express loyalty to a portion of the nation instead of the nation as a whole. This conflict was notorious in the previous years of the Civil War. The United States was divided into two sections, the Union states, and the Confederated states. People were divided and this represented a bug conflict for the country that derived in the Civil War.
