Nigeria became a federation as a result of the promulgation of the constitution of? by Sunday | Jul 15 | Government WAEC | 0 comments A. 1922 B. 1946 C. 1951 D. 1954 E. 1963 Correct Answer: Option D – 1954 Users Also Read These:Before Nigeria became a republic; the highest body…Nigeria became a federation of four regions in?Nigeria was a federal state under the constitution…Following the reform of the Native Authority system…Nigeria became a federation under the 1954…