I think it might be answer A
The Northwest Ordinance was the most important of the three different acts. It was important because it enabled the government of the Northwest Territory to become a part of the union.
I would think that it is C but I'm not that sure so get more answers.
I think its c yea its c i think
Answer:D) One-third of Mexico was ceded to the United States, extending United States territory all the way to the Pacific Ocean.