If you held an OID debt instrument for a calendar year but did not receive a Form 1099-OID, refer to the discussions under Figuring OID on Long-Term Debt Instruments, later, for information on the OID you must report.
Although the Almoravids had substantial contacts with the Maghrib, influences from the black Sudanic kingdoms of Ghana, Mali, and Songhai played an important role in Mauritania's history for about 700 years--from the eighth to the fifteenth century.
The African kingdoms of Kush, Ghana, and Mali, were significant because of their culture, political systems, and military. From the way that they painted to the way they built their military, they are definitely civilizations that stood out in the ancient world.