Throughout african history, the search for fertile soil has led to many migrations. what was a result of these migrations?

Changes in national boundaries development of roads and transportation systems establishment of cities and mixing of ethnic groups and language forms

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.