I had this last year, it’s b. Communism
Lack of an increasingly broad spectrum expertise and resources.
The main purpose of the Mounds was burial: the Mounds were a burial site for some distinguished people, such as kings. Other possible purpose was for ceremonies (ceremonies performed on top of the mound).
The part of a country that is away from the boarder or coast is "Inland"
Answer: B) Two-thirds of the Senate must concur.