What barrier to trade separated the empires of Ghana and Mali from the trading center of Egypt?
Responses
A the Red Seathe Red Sea
B the Nile Riverthe Nile River
C the Sahara Desertthe Sahara Desert
D the Mediterranean Seathe Mediterranean Sea
Responses
A the Red Seathe Red Sea
B the Nile Riverthe Nile River
C the Sahara Desertthe Sahara Desert
D the Mediterranean Seathe Mediterranean Sea