Something scarce is something that is not found easily. It is sometimes limited therefore it is RARE.
Your answer would be rare. :) Hope I helped. :D
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:
Possibly the last one or the third one.
I would say A because over population is a big issue and challenges in countries like China
Answer:
White Americans, who lived on the western frontier, often feared and resented the Native Americans they encountered. To them, American Indians were unfamiliar, alien people who occupied land that white settlers wanted.
I awnsered one even though you are violating the honor code.