An autocracy is a system of government in which supreme power (social and political) is concentrated in the hands of one person, whose decisions are subject to neither external legal restraints nor regularized mechanisms of popular control (except perhaps for the implicit threat of a coup d'état or mass insurrection).
Left communism is the range of communist viewpoints held by the communist left, which criticizes the political ideas and practices espoused—particularly following the series of revolutions which brought the First World War to an end—by Bolsheviks and by social democrats.
Democracy (Greek: δημοκρατία, dēmokratía literally "rule of the people"), in modern usage, is a system of government in which the citizens exercise power directly or elect representatives from among themselves to form a governing body, such as a parliament.
Dictatorship is a form of government in which a country or a group of countries is ruled by one person (a dictator) or by a polity, and power is exercised through various mechanisms in order to ensure that the entity's power remains strong.
Distribution of Authority Effective government in any form requires a workable method for distributing authority within the country. The larger and more diverse the jurisdiction of the government the stronger the tendency toward a federal system in which authority is "layered" or distributed among different levels.
Fascism definition is - a political philosophy, movement, or regime (such as that of the Fascisti) that exalts nation and often race above the individual and that stands for a centralized autocratic government headed by a dictatorial leader, severe economic and social regimentation, and forcible suppression of opposition.
Republic, form of government in which a state is ruled by representatives of the citizen body. Modern republics are founded on the idea that sovereignty rests with the people, though who is included and excluded from the category of the people has varied across history.
A unitary state is the opposite of a federation where powers are dispersed. A unitary state only exercises the powers that the central government decides to delegate. Most states worldwide work under a unitary system of government, for example, 165 out of a possible 192 states that are members of the UN are unitary states.