Final answer:
The oldest Black civilization among the options provided is Ancient Nubia, which flourished from 2000 BCE to 350 CE.
Step-by-step explanation:
The oldest Black civilization among the options provided is Ancient Nubia. Nubia, also known as Kush, was a civilization located in present-day Sudan and southern Egypt. It flourished from 2000 BCE to 350 CE and was known for its prosperous trade routes, impressive architecture, and powerful rulers.
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