Answer: Before permanently settling the western territories, the United States had to consider the presence of Native Americans already living on these lands. Great Britain may have agreed to give the United States the land, but no one had consulted with the Indian people concerning this change. Reacting to the pressure of American settlers anxious for new land, Congress sought treaties with Native Americans to insure the safety of the settlers, and to obtain clear title for the land.
Explanation:
The answer is: A - requires Congress and the States to work together.
On the teachings of Muhammad and their book called Koran or Kuran.