Pre-colonial trade, types of trade, systems of trade, organization of trade, Growth and expansion of long distance trade, why Societies participated in trade, Role of Africans in trade, i.e. Yao, Kamba e.t.c. loss of control of trade by the Nyamwezi, political, economic and Social effects of trade

Mirambo's rise and collapse

Legitimate trade in Africa, problems encountered in transition from slave trade to legitimate trade, organization, coastal Niger Delt states, political, economic and social effects of legitimate trade.