Final answer:
John Locke, Harrington, Hobbes, and Rousseau believed the state exists to maintain social order and protect individuals' rights.
Step-by-step explanation:
Locke, Harrington, Hobbes, and Rousseau believed that the state exists for the purpose of maintaining social order and protecting the natural rights of individuals.
John Locke argued that the state exists to protect people's life, liberty, and property. Harrington believed that the state's purpose is to maintain a balance of power and prevent tyranny. Hobbes believed that the state is necessary to prevent a state of war and ensure order. Rousseau argued that the state exists to promote the general will and protect the common good.
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