Leviathan or The Matter, Forme and Power of a Commonwealth Ecclesiasticall and Civil, commonly referred to as Leviathan, is a book by the English philosopher Thomas Hobbes (1588–1679), published in 1651 (revised Latin edition 1668). Its name derives from the Leviathan of the Hebrew Bible.
The work concerns the structure of society and legitimate government, and is regarded as one of the earliest and most influential examples of social contract theory.
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Sovereignty can generally be defined as supreme, independent control and lawmaking authority over a territory. It finds expression in the power to rule and make law. Sovereignty entails hierarchy within a state as well as external autonomy for states. In any state, sovereignty is assigned to the person, body or institution that has the ultimate authority over other people and to change existing laws. In political theory, sovereignty is a substantive term designating supreme legitimate authority over some polity. Under international law, sovereign states are all considered equal, and no state can interfere with the internal affairs of another sovereign state. While Article 2(7) of the UN Charter explicitly recognizes the sovereignty of states, and in general there is a principle of non-interference in the domestic affairs of sovereign states, the UN Security Council’s Chapter VII powers clearly contemplate the use of force against a state when necessary to restore peace. Further, the recent Responsibility to Protect (R2P) authorizes the United Nations to take action to “avert a humanitarian catastrophe” within a state when that state’s government cannot or will not act.
A state is generally considered to have sovereignty over a territory when it has consistently exercised state authority there without objection from other states. De jure sovereignty refers to the legal right to do so; de facto sovereignty refers to the factual ability to do so. This can become an issue of special concern upon the failure of the usual expectation that de jure and de facto sovereignty exist at the place and time of concern, and reside within the same organization.
Thomas Hobbes (/hɒbz/ HOBZ; 5 April 1588 – 4 December 1679) was an English philosopher, best known for his 1651 book Leviathan, in which he expounds an influential formulation of social contract theory. He is considered to be one of the founders of modern political philosophy.
In his early life, overshadowed by his father's departure following a fight, he was taken under the care of his wealthy uncle. Hobbes's academic journey began in Westport, leading him to the University of Oxford, where he was exposed to classical literature and mathematics. He then graduated from the University of Cambridge in 1608. He became a tutor to the Cavendish family, which connected him to intellectual circles and initiated his extensive travels across Europe. These experiences, including meetings with figures like Galileo, shaped his intellectual development.
In moral and political philosophy, the social contract is an idea, theory, or model that usually, although not always, concerns the legitimacy of the authority of the state over the individual. Conceptualized in the Age of Enlightenment, it is a core concept of constitutionalism, while not necessarily convened and written down in a constituent assembly and constitution.
Social contract arguments typically are that individuals have consented, either explicitly or tacitly, to surrender some of their freedoms and submit to the authority (of the ruler, or to the decision of a majority) in exchange for protection of their remaining rights or maintenance of the social order. The relation between natural and legal rights is often a topic of social contract theory. The term takes its name from The Social Contract (French: Du contrat social ou Principes du droit politique), a 1762 book by Jean-Jacques Rousseau that discussed this concept. Although the antecedents of social contract theory are found in antiquity, in Greek and Stoic philosophy and Roman and Canon Law, the heyday of the social contract was the mid-17th to early 19th centuries, when it emerged as the leading doctrine of political legitimacy.
In political philosophy, a monopoly on violence or monopoly on the legal use of force is the property of a polity that is the only entity in its jurisdiction to legitimately use force, and thus the supreme authority of that area.
While the monopoly on violence as the defining conception of the state was first described in sociology by Max Weber in his essay Politics as a Vocation (1919), the monopoly of the legitimate use of physical force is a core concept of modern public law, which goes back to French jurist and political philosopher Jean Bodin's 1576 work Les Six livres de la République and English philosopher Thomas Hobbes's 1651 book Leviathan. Weber claims that the state is the "only human Gemeinschaft which lays claim to the monopoly on the legitimate use of physical force. As such, states can resort to coercive means such as incarceration, expropriation, humiliation, and death threats to obtain the population's compliance with its rule and thus maintain order. However, this monopoly is limited to a certain geographical area, and in fact this limitation to a particular area is one of the things that defines a state." In other words, Weber describes the state as any organization that succeeds in holding the exclusive right to use, threaten, or authorize physical force against residents of its territory. Such a monopoly, according to Weber, must occur via a process of legitimation.
Prehistoric warfare refers to war that occurred between societies without recorded history.
The existence—and the definition—of war in humanity's state of nature has been a controversial topic in the history of ideas at least since Thomas Hobbes in Leviathan (1651) argued a "war of all against all", a view directly challenged by Jean-Jacques Rousseau in a Discourse on Inequality (1755) and The Social Contract (1762). The debate over human nature continues, spanning contemporary anthropology, archaeology, ethnography, history, political science, psychology, primatology, and philosophy in such divergent books as Azar Gat's War in Human Civilization and Raymond C. Kelly's Warless Societies and the Origin of War. For the purposes of this article, "prehistoric war" will be broadly defined as a state of organized lethal aggression between autonomous preliterate communities.
The body politic is a polity—such as a city, realm, or state—considered metaphorically as a physical body. Historically, the sovereign is typically portrayed as the body's head, and the analogy may also be extended to other anatomical parts, as in political readings of Aesop's fable of "The Belly and the Members". The image originates in ancient Greek philosophy, beginning in the 6th century BC, and was later extended in Roman philosophy.
Following the high and late medieval revival of the Byzantine Corpus Juris Civilis in Latin Europe, the "body politic" took on a jurisprudential significance by being identified with the legal theory of the corporation, gaining salience in political thought from the 13th century on. In English law the image of the body politic developed into the theory of the king's two bodies and the Crown as corporation sole.
Conflict theories are perspectives in political philosophy and sociology which argue that individuals and groups (social classes) within society interact on the basis of conflict rather than agreement, while also emphasizing social psychology, historical materialism, power dynamics, and their roles in creating power structures, social movements, and social arrangements within a society. Conflict theories often draw attention to power differentials, such as class conflict, or a conflict continuum. Power generally contrasts historically dominant ideologies, economies, currencies or technologies. Accordingly, conflict theories represent attempts at the macro-level analysis of society.
Many political philosophers and sociologists have been framed as having conflict theories, dating back as far as Plato's idea of the tripartite soul of The Republic, to Hobbes' ideas in The Leviathan. Other historical political philosophers associated with having "conflict theories" include Jean Bodin, Adam Smith, John Stuart Mill, Thomas Robert Malthus, Karl Marx, and Georg Simmel. Georg Simmel was one of the earliest sociologists to formally use "conflict" as a framework to understand social change, writing about the topic in his 1908 book, "Conflict and the Web of Group Affiliations".