Final answer:
Enlightenment philosophers proposed the concept of the social contract, emphasizing natural rights and the people's right to alter or abolish governments.
Explanation:
The Enlightenment philosophers believed in a concept known as the social contract, which was an agreement between rulers and the people. This idea emphasized that governments existed as a result of an agreement or contract with the governed. It proposed that individuals had natural rights that needed to be protected by the government, and if these rights were not upheld, the people had the right to alter or abolish the government.
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