D. To keep different races and ethnicities separated in order to avoid conflict.
Answer:
B. The warm climate allowed the ancient Greeks to farm all year long.
Explanation:
The warm climate of Greece helped Ancient Greece farm all year long. However, Greece also has a mountainous, rocky terrain, and some areas of the territory are semi-desertic, which meant that the Ancient Greeks could only farm in some areas of Greece.
Answer:
The Mediterranean Sea is Egypt's northern (border). Mountains provide a souther border. These (natural) barriers protected ancient Egypt against invaders. (Without) the Nile River, though, Egypt would (be) desert land.
Explanation: