Mining Fishing Salt Slavery
Chad Benin Burkino Faso Cameroon
Nile Niger Orange Congo
Atlas Mountains Shebshi Mountains Drakensberg Mountains Ruwenzori
France Portugal Spain Britain
1 100 000 11 000 000 110 000 000 110 000
Niger Benin Mali Chad
Atlantic Ocean Indian Ocean Red Sea Mediterranean Sea
Lagos Abuja Kano Ibadan
Naira Franc Pound Dinar