Those are the two rivers in what is now Iraq, which in earlier historical times defined the region of Mesopotamia, which was the site of the earliest civilizations, and which was extremely influential in the evolution of human culture as READ MORE
Mesopotamia is located between two rivers. The water from the rivers gives it very good farming soil.
Sumer was in fact a city-state, so the main city was Sumer itself
It gave them more crops, so more food, so more people
it is important because was able to tell the correct date and time
The land between them was very fertile and ideal for growing crops.
No. Mesopotamia is in the modern-day country of Iraq. Saudi Arabia controls no part of Mesopotamia.