The Red Sea separates North Africa from Southwest Asia
It would be the mediterranean Sea
I think it's th Red Sea, and the Mediterranean Sea, they both seprate Africa and Asia.
in general, bodies of water can increase a population because it aids in food, travel, and trade. I'm sure in these two places, trade was necessary and the two of them most likely were good...
It's the Red Sea, the Mediterranean Sea, and the Persian Gulf I think