Charlemagne reunited Western Europe. He built an empire that reached across three countries.
Answer:
Trade and Commerce So, to get the items they needed the Mesopotamians had to trade. In the southern part of Mesopotamia, docks were built along the sides of the rivers so that ships could easily dock and unload their trade goods. The merchants traded food, clothing, jewelry, wine and other goods between the cities.
Explanation:
450-900 is the answer I think
It's a little unclear what you're asking, but I believe it's <span> B separation of powers</span>
