Hi there,
the answer to your question is D. Islam.
During the 600s the Islamic religion spread towards Northern Africa.
Hope this helped :)
Geographers use the regional unit to map features of particular interest, and data can be compared between regions to help understand trends, identify patterns, or assist in explaining a particular phenomenon. Regions are traditionally defined by internal characteristics that provide a sense of place.
Answer:
It is difficult to cross.
Explanation:
The Sahara desert is a vast region about the size of the continental United States that is extremely dry and barren. The lack of water resources in the desert make the land unsuitable for agriculture and human population.
As a result, the Sahara acts as a giant natural wall both economically, culturally, and socially since relations between states to the north and south of the desert are difficult.
E & 4. A & 2. C & 5. B & 3. D & 1. Im not positive that these r the answers but, heres what <em>I think.</em>