Concept:The Unitarism Policy under Major General Aguiyi Ironsi was introduced by a single military decree that changed Nigeria’s system of government.
Explanation:Decree No.
34 of
1966 is the Unification Decree in question.
It merged Nigeria’s federal structure into one centrally controlled unitary system.
The decree abolished regional governments and replaced them with provinces.
This policy was meant to strengthen national unity after the military coup.
It was not issued in
1967, so options B and D are invalid.
Decree No.
36 of
1966 also does not correspond to the Unitarism Policy.
Therefore, the correct historical decree is clearly No.
34 of
1966.
Answer:A. No.
34 of
1966