An autocracy is a type of political regime in which a single person is the one who governs without being subject to any limitation and with the self-imposed power to enact and/or modify the laws at his will. Therefore in an autocracy, the leader has all the power. In this type of regime, there are no popular control mechanisms.
Some examples of Autocracy are monarchies or dictatorships. In ancient Greece and in the Roman Empire, autocracy was practiced.
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