A) Northern, Southern, Western, and Eastern
B) Northern, Western, Eastern, and Central
C) Northern, Western, Eastern, and Southern
D) Northern, Western, Eastern, and Mid-Western

A) Eastern Region
B) Western Region
C) Northern Region
D) Mid-Western Region

A) Eastern Region
B) Mid-Western Region
C) Northern Region
D) Eastern Region

A) Mid-Western Region
B) Eastern Region
C) Western Region
D) Northern Region

A) Eastern Region
B) Lagos Region
C) Mid-Western Region
D) Northern Region

A) Western Region
B) Eastern Region
C) Mid-Western Region
D) Northern Region

A) Southeast (The Eastern Region covered the southeastern part of Nigeria)
B) Northeast
C) Southeast

A) Western Region
B) Eastern Region
C) Northern Region
D) Mid-Western Region

A) Edo
B) Hausa-Fulani
C) Yoruba
D) Igbo

A) Northern Region
B) Western Region
C) Eastern Region
D) Mid-Western Region