The most widely used system of government in the world is this one, in which the national government is supreme, and states and/
or provinces exercise only the powers that the national government chooses to give them A.Unitary System
B.Federal System
C.Socialist System
D.Confederation
"A unitary state is a state governed as a single power in which <u>the central government is ultimately supreme</u>. The central government may create administrative divisions. Such units exercise <u>only the powers that the central government chooses to delegate</u>."