The correct answer is Timbuktu. It became the greatest city because it was a melting pot for traders from all possible nations because it was wealthy and developed compared to other places. It was a cultural and a trading center because the ruler knew how to rule properly and made Timbuktu one of the greatest cities in the world.
What table? Do you have a picture or anything?
Answer:
The Battle of Concord/Lexington.
The Mesopotamia has a good farm land that can feed all its population bringing in more people making it easy to feed more people because of the farm land they have. They created things like farming and irrigation so that they are suited for growth.