Answer:
b. established the policy to admit the area's population as equal members of the political system.
Explanation:
The Northwest Ordinance was a law established in 1787 by the United States Confederation Congress. The purpose of this law was to establish the northwest of the country as the first organized US territory that did not belong to the southern Great Lakes, north and west of the Ohio River, and to the east of the Mississippi River. In addition, this law established the policy to admit the population of the area as equal members of the political system.