How did desertification affect early human civilizations in northern africa

Well, back in the 19th century people had to grow food in order to eat. With the land being a dry and open land of desert and if you didn't know desert land is dry, plants need moist and humid lands to grow. The people of Africa are effected by this because it makes the incapable to produce crops. Even today land in Africa makes them unable to produce crops but in today's society there are shops and transported goods to Africa.

Explanation:

ghana achieved independence peacefully, while algeria gained independence through an armed struggle.

i do not believe this was true indefiantly the native americans would have lsot aganist america one they didndt have the resources and allies that america had and 2   indians werent as advanced at the time as they were not 3 americans had the expreince because some of the soliders from other wars fought in that war and were attecked etc