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A political philosophy and movement that is skeptical of authority and rejects all involuntary, coercive forms of hierarchy, advocating self-managed, self-governed societies based on voluntary, cooperative institutions.

A range of social movements, political movements, and ideologies that aim to define and establish the political, economic, personal, and social equality of the sexes.

A political, social, and economic philosophy encompassing a range of economic and social systems characterized by social ownership of the means of production.

A philosophical, social, political, and economic ideology and movement whose ultimate goal is the establishment of a communist society: a socioeconomic order structured upon the ideas of common ownership of the means of production and the absence of social classes, money, and the state.

A broad philosophy, ideology, and social movement concerning concerns for environmental protection and improvement of the health of the environment, particularly as the measure for this health seeks to incorporate the impact of changes to the environment on humans, animals, plants and non-living matter.

A form of far-right, authoritarian ultranationalism characterized by dictatorial power, forcible suppression of opposition, and strong regimentation of society and of the economy.

A political and moral philosophy based on liberty, consent of the governed, and equality before the law.

A political philosophy and movement that upholds liberty as a core principle, believing that individuals should be free from external restraint, provided they do not infringe upon the freedom of others.

An ideology and movement characterized by the promotion of the interests of a particular nation, especially with the aim of gaining and maintaining the nation's sovereignty (self-governance) over its homeland.