The Nigerian civil war lasted _____ months.
The correct answer is: C
Explanation
The civil war lasted from 6 July 1967 to 15 January 1970 (2 years, 6 months/ 30 months)
The Nigerian civil war lasted _____ months.
The civil war lasted from 6 July 1967 to 15 January 1970 (2 years, 6 months/ 30 months)