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

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

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

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

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

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

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

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

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

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