I think the answer is government should represent the people
Democracy. because they were mostly democratic
Well from what I know they did use obsidian, they did live in large numbers and did take shelter in the highlands. Hope this helps
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.
