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

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

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

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

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

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

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

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