Which of these is a large,apparently urban,settlement that flourished from about 400 to 900 C.E.?

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Jenne-jeno was a large urban settlement that flourished from about 400 to 900 C.E. It was located in present-day Mali and was a major center for trade and commerce. Kanem-Borno was a medieval African kingdom located in present-day Chad and Nigeria, Meroë was an ancient city in Sudan that flourished between 300 BCE and 300 CE, and Kumbi Saleh was the capital of the medieval Ghana Empire in present-day Mauritania.

Which of These Is a Large,apparently Urban,settlement That Flourished from About