A distinguishing feature of the 1979 Constitution was the
introduction of federal structure
introduction of unicameralism into Nigeria
departure from the parliamentary to the presidential system of government
preservation and entrenchment of republicanism
Correct answer is C
Departure from the parliamentary to the presidential system of government is the distinguishing feature of the 1979 Constitution . Nigeria practised parliamentary system of government during the first Republic. But the 1979 constitution introduced the presidential system.