For 10 points, name this country, which was ruled as part of British West Africa from Lagos.
The pre-colonial history of this country included a kingdom of the Efik people at Calabar, where Mary Slessor went as a missionary. Samuel Ajayi Crowther was this nation's first native bishop. Usman dan Fodio declared jihad in what would become this country, founding a sultanate at Sokoto. This country also contained the Oyo Kingdom. Olauduh Equiano was born here, and Nnamdi Azikiwe led an independence movement here. Odumegwu Ojukwu began a civil war in this country, whose colonial history was marked by palm oil trade. The Fulani and Hausa ethnic groups are prominent in this nation's north, and its southeastern Igbo people created the secessionist Republic of Biafra. For 10 points, name this country, which was ruled as part of British West Africa from Lagos.
The pre-colonial history of this country included a kingdom of the Efik people at Calabar, where Mary Slessor went as a missionary.
Nigeria