Should be A. Hope this helps!
Jane Zhang The Ancient Egypt The ancient Egyptians enjoyed many natural barriers. To the west is the Sahara, the hottest desert in the world. To the east is the Eastern Desert. To the far south, the Nile's dangerous cataracts blocked their enemies. And in the north, the delta marshes offered no harbors for the invaders.
<span>The Egyptians were not completely closed to the outside world. The Mediterranean Sea and the Red Sea allowed them to trade with others. Geography The Nile River is about 4,160 miles in length and is the longest river in the world. </span>
<span>The ancient Egyptians settled along the Nile River and created the Nile River Valley.</span>
