What political system have a supreme leader

A. Socialist

B. Indirect democracy

C. federalist

D. Dictatorship

D. Dictatorship

Dictatorship have a supreme leader, the dictator. Dictatorship do not include forms of democracy and often involves some forms of denialing basic rights of freedom, in order to maintain the absolute power in the hand of the dictator. Often dictatorship includes forms of control over military and other form of defence institutions.