James Madison believed that no government was perfect.
The challenge between the unification of Europe represents a more cultural issue rather than a political or economic one.
Western Europe countries historically adopted the Latin language. The Western Roman Empire would collapse paving the way for the Middle Ages. Christianity is also the predominant religion in Western Europe.
Eastern Europe had a Greek influence that would later be replaced by a Byzantine one. Russians would later dominate the territory. Regarding religion, the Eastern Orthodox church is dominant throughout these countries.
When people from both regions start understanding their differences is when the process of the unification of Europe will be taken to the next level.
The Assyrian empire and the Babylonian empire were sister kingdoms.
Their cultures were exactly the same.
Language, Laws, Religion... all the same.
This culture either derived from the Sumerian and Akkadian societies, or were just created by the Assyrian-Babylonians.
so the Sumerians is the answer
Rome is located on the Tiber River.
D. The Frenchman who became a general on Washington's staff and his lifelong friend. Marquis de Lafayette helped contribute to the colonists winning the war. Hope this helped!