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 landscape of Sudan consists mainly of flat plains punctuated by several mountain ranges. The Marrah Mountains, which contain the highest point of the country, Deriba Caldera at 9,980 ft (3,042 m), are located on the western edge of the country, and the Red Sea Hills are located on the northeastern edge.