Archaeological and linguistic evidence indicates that the <em>Khoisan</em> were the earliest inhabitants who occupied East Africa before 1000AD.
Explanation:
The <em>Khoisan </em>people lived in East Africa before they migrated to Southern and South eastern Africa prior to the Bantu migration. They were the first people to occupy South Africa following their migration. They were known for their hunting and gathering skills. In addition, to living a nomadic way of life.
