One factor that contributed to the rise of sectionalism after the war of 1812 was

One factor that contributed to the rise of sectionalism after the war of 1812 was:

- The new industrial movement.

Explanation:

After the war of 1812, the north bench did many demands to west and south states, reason why these began to work just by their regions, this attitude was named "sectionalism" and increased when the cotton was converted in the main product to send to the textile factories and the gin factories, this increased the need of slaves and the difference of the ideals between the north and the south in that sense.

answer; can each be concretely realized in different ways;