The dispute over protective tariffs added to the difference in the goals and interests of various regions of the country. The word used to describe these differences is

- Sectionalism.

Explanation:

'Sectionalism' is described as the term that stands for 'promoting the good of one division, department, or subgroup over that of the whole.' This is the word that has been employed to denote the 'conflict over vigilant taxes put on the distinction in the objectives, as well as, the welfare of the different districts of the country.' This causes the benefit of one region's benefit leading the others to suffer and eventually ends up with giving rise to disagreements and undesirable consequences as well.

southerners, for their part, considered brown a terrorist. they felt threatened by northerners' deification of brown and worried about the potential for other, similar armed insurrections.

explanation:

an interest group is an organization whose members share common concerns, and try to influence government policies that impact those concerns. elected officials frequently complain about the influence of "special interests" on american politics.