A. pro-West posture of Nigeria’s foreign policy
B. over-bearing power of traditional rulers
C. attempt by the government to retire top military officers
D. crisis of the 1964 General Elections.
Correct Answer: Option D
D. crisis of the 1964 General Elections.
Explanation
The crisis was exacerbated by that which resulted in the massively rigged Western Regional Election of 1965 which led to the total break-down of law and order.