There is more fertile soil, better transportation because of boats, better for trading since you get on shore trading too, and more knowledge cause of better transportation. Thank me who ever is reading this. I'm awesome.
The waters were really unpredictable so there really was no advantage. They did provide a small barrier around them, though.
Mesopotamia has two rivers, the Tigris and the Euphrates.
The Tigris and Euphrates rivers
The Tigris and the Euphrates were the main rivers of the fertile crescent
Those two rivers are the Euphrates and Tigris.
Mesopotamia has the Euphrates and Tigris Rivers.
The Tigris and Euphrates rivers meet in Iraq.
The Tigris and Euphrates Rivers flow into the Persian Gulf.
The Tigris and Euphrates rivers because they surround Ancient Mesopotamia.
The Tigris and Euphrates rivers flow into the Persian gulf
The Tigris and the Euphrates Rivers.
Tigris and Euphrates Rivers are one of them
Tigris and Euphrates