Which section of the country was not included in the american system?

north
west
south
territories

Option D.

Explanation:

Territories, is the right answer.

An economic system that impersonated an influential role in the policies of America throughout the early 19th century, is known as the American System. This system was initiated by the then Senator of the United States. It included provision for a national bank, raised tariffs, and domestic developments; emphasized an influential role for the central government in the marketplace.