Question

About five thousand years ago, the rains over the Sahara began to decline and grasslands gave way to desert. The population of this region began to migrate east and south. Describe how the landforms and climate of Africa influenced how these people lived as they settled in new areas.

Answer 1

the people became nomads and goat & camel herders. the coastal area north of the Sahara does still produce fruits & some grain. even during roman times the coastal are flourished with some powerful country\states, until the romans conquered them & incorporated large areas N. Africa into the empire. if you will notice population in the Sahara is not very large but is able to support certain tribes like the Tauregs.
HOPE THIS HELPS :D