How has the Nigerian Government been constructed to unite a country with so many divisions? can y'all f* help me omg..

Colonial Nigeria was the era in the History of Nigeria when the region of West Africa was ruled by the United Kingdom from the mid-nineteenth century until 1960 when Nigeria achieved independence.[8] British influence in the region began with the prohibition of slave trade to British subjects in 1807. Britain annexed Lagos in 1861 and established the Oil River Protectorate in 1884. British influence in the Niger area increased gradually over the 19th century, but Britain did not effectively occupy the area until 1885. Other European powers acknowledged Britain's dominance over the area in the 1885 Berlin Conference.

From 1886 to 1899, much of the country was ruled by the Royal Niger Company, authorised by charter, and governed by George Taubman Goldie. In 1900, the Southern Nigeria Protectorate and Northern Nigeria Protectorate passed from company hands to the Crown. At the urging of Governor Frederick Lugard, the two territories were amalgamated as the Colony and Protectorate of Nigeria, while maintaining considerable regional autonomy among the three[which?] major regions. Progressive constitutions after World War II provided for increasing representation and electoral government by Nigerians. The colonial period proper in Nigeria lasted from 1900 to 1960, after which Nigeria gained its independence.

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Well, a and b together would be negative. b alone would also be negative.

C.over 1 million refugees were displaced.