Final answer:
The Nile River is Africa's longest river, spanning over 4,000 miles and flowing through multiple countries.
Step-by-step explanation:
The name of Africa's longest river is the Nile. The Nile River is approximately 4,135 miles long and flows through eleven countries in northeastern Africa, including Egypt, Sudan, and Uganda. It plays a crucial role in the livelihoods of people living along its banks, providing water for agriculture, transportation, and a source of food.
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