The Mississippi River System, also known as Western Rivers, was important to trade and transportation in the west. It played a very important role in the lives of those people who inhabited the surrounding area. It was for transportation and also for trade.<span> </span>
Nationalism-the loyalty and devotion to one's nation.
For one, people in America were like "lets go to war with Britain" which spurred the War of 1812. So if that's any correlation to how it affected foreign affairs, there ya go.
Our foreign affairs were affected because we were proud to be Americans. We got more active in conflicts and defended our country and its people mainly due to agrarianism (You'll probably learn about that in US History in HS), which was the belief Thomas Jefferson had that if people owned land, they would fight for this country.
To really answer your question, we were on and off friends with our foreign comrades. We went to war as a result, and established our power in the world.
Once the delegates determined the Three-Fifths Compromise, they went on to determine the presidential process--as in who could be elected, how the election would work, etc.
The Indo-European culture language, while the Greeks got most of their culture from Egypt and Mesopotamia. With a little Sparta in there.