How did the state of nature shape social-contract theory?

In political theory, the state of nature serves as a foundational heuristic device used to justify the existence, scope, and limits of political authority. By imagining a pre-political condition, philosophers demonstrate why rational individuals would voluntarily consent to a social contract to establish organized government.123

The specific nature of this hypothetical state dictates the resulting theory:

• Thomas Hobbes: Viewed the state of nature as a violent "war of all against all." To escape this "nasty, brutish, and short" existence, individuals rationally consent to surrender their rights to an absolute sovereign, or Leviathan, to ensure survival.123
• John Locke: Conceived of the state of nature as relatively peaceful but lacking an impartial authority to resolve disputes. Individuals enter a social contract to protect their natural rights to life, liberty, and property, justifying rebellion if the government fails this duty.123
• Jean-Jacques Rousseau: Described the state of nature as a primitive, peaceful condition corrupted by the rise of private property and social inequality. He argued for a social contract based on the general will to restore true political liberty.123

Modern thinkers like John Rawls and Robert Nozick have adapted this framework, using hypothetical conditions to derive principles of justice or justify the minimal state.13