Answer:the Interior Plains; the Interior Highlands, the Rocky Mountain System
They knew the Greek idea of direct democracy. While they didn't necessarily apply the idea in their political system directly, they did apply some ideas that were shared with the Greeks that made the Roman political system more stable and better in the end.
Western Asia, by the Tigris Euphrates river
As a result from McCulloch vs Maryland, two very important consequences aroused. First, the doctrine of the "implied powers" , understanding that the Constitution grants said implied powers to the Congress to implement the express powers. Secondly, that no state action can interfere with valid constitutional exercise of power by the federal government.
Answer:
I THINK it's A but I'm not 100%