JAMB Governament 2014 Paper

Concept:The Independence Constitution of Nigeria was later amended to change the political status of the country.Explanation:The Independence Constitution was enacted in $1960$.It was modified by the $1963$ Constitution.The $1963$ Constitution made Nigeria a republic and replaced the Queen with a President as Head of State.This means the First Republic operated under the $1963$ Constitution.Answer:C. $1963$ constitution