Final answer:
Fertile soil helped ancient Egypt produce surplus crops for trade and develop an advanced civilization.
Step-by-step explanation:
One of the factors that allowed ancient Egypt to grow rich and develop an advanced civilization was fertile soil. The Nile River regularly flooded, depositing nutrient-rich silt on its banks, creating fertile land for agriculture. This allowed the Egyptians to produce surplus crops, which could be traded for luxury goods with neighboring civilizations.
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