Nigeria was formally divided into three regions under the constitution of? by Sunday | Jul 18 | Government WAEC | 0 comments A. 1922 B. 1946 C. 1951 D. 1954 E. 1960 Correct Answer: Option B – 1946 Users Also Read These:A sonnet may be divided into an octave and a?The arrangement by which a country is divided into…Which of the following did not formally recognize…Nigeria became a federation under the 1954…The geographical units into which a country is…