Northern Nigeria became internally self-government in? by Sunday | Jul 18 | Government WAEC | 0 comments A. 1955 B. 1957 C. 1958 D. 1959 E. 1960 Correct Answer: Option D – 1959 Users Also Read These:A reason for the amalgamation of the Northern and…Nigeria became a federation under the 1954…Nigeria became a federation of 19 state in?Before Nigeria became a republic; the highest body…Armed resistance to British rule in Northern Nigeria…