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Today, it is oil, and most of Nigeria’s wealth comes from selling oil to other countries.

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Much of western Nigeria is a savanna, a broad, flat land covered with tall grasses and scattered trees.

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Eastern Nigeria sits along the Gulf of Guinea beside a second bay known as the Bight of Biafra. The Benue River forms the northern edge of the region, and the Niger River forms the western edge.

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The two largest ethnic groups in northern Nigeria are the Hausa and the Fulani

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The Yoruba make up the largest ethnic group in western Nigeria

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The Igbo (pronounced ee-bo) are the largest ethnic group in eastern Nigeria.

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Northern Nigeria’s hot climate affects the kinds of homes that people build

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The Yoruba are famous for their colorful cloth and beadwork

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the cities, the Igbo build houses using mud bricks or cement blocks, with metal roofs protecting the houses from heavy rains. In swampy areas, people build their houses on stilts

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Many people in northern Nigeria make their living as farmers and herders

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Those Yoruba who live in cities hold a variety of jobs.Yoruba women do some farming, but they also work as traders in a complex market system

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Today, it is oil, and most of Nigeria’s wealth comes from selling oil to other countries.