JAMB - Government (2012 - No. 6)
A political system which empowers the leader with the ultimate responsibility to execute laws is
parliamentarianism
presidentialism
dictatorship
autocracy
Explication
A constitution is presidential if the executive and legislative branches of government are elected separately for fixed terms. Similarly, a constitution is presidential if the executive and legislative branches of government are elected separately for fixed terms, giving the president the ultimate responsibility to execute laws.