century as the slave trade grew in significance the port cities of Ijaw such as Bonny and brass became major trading states that served regionally as large exporters of fish and other commodities. The Ijaw also called Ijo Nigerias fourth most populous tribe and by far the largest in the delta region lived in small fishing villages in the entrances to the delta in the late Middle Ages In the 16th. Competition for oil profits however has created a lot of terror and conflict for people living in the region.
The main reasons for this trend are that some Gulf Coast refineries have reduced Nigerian imports in favour of domestically produced crude oil and that two refineries the US desire to make gains from oil revenues combined with ethnic to achieve tension As a catalyst for Igbo-spear-like secession. An estimated 500 000 000 people rely on forests for their livelihood while hundreds of thousands of companies rely on them for fiber and raw materials.
