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

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

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

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

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

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

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

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

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

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