 Unitary constitutional monarchies are unitary states which are governed constitutionally as one single unit, with a single constitutionally created legislature.Federal constitutional monarchies are federal states in which a number of federated entities are unified under a federal government and a single monarch, who acts as ceremonial head of state.An absolute monarchy is a monarchical form of government where the ruler has the power to rule his or her land or country and its citizens freely, with no laws or legally-organized direct opposition in force.