On March 17, 1967, General Yakubu Gowon in an attempt to forestall the Eastern region of Nigeria from seceding and in response to various demands for states created
The correct answer is: C
Explanation
On March 17, 1967, General Yakubu Gowon, in an effort to prevent the secession of the Eastern region (which led to the Nigerian Civil War), created the 12 states federal structure by splitting the existing regions.