In the lecture, what landform is discussed which serves as both a geographic an cultural barrier for the people of sub-Saharan Africa? A. the Sahara Desert B. the Mediterranean Sea C. the Great Rift Valley D. the Atlas Mountains Please select the best answer from the choices provided A B C D

The author of the article, arthur brooks, has been president of the american enterprise institute since 2009, an organization committed to protecting free enterprise in the united states.he is the author of several books, including "the road to freedom: how to win the fight for free enterprise."