Final answer:
Rousseau's ideas on social contract and the general will influenced future reformers including leaders of the American and French Revolutions.
Step-by-step explanation:
The thinker whose ideas on social contract and the "general will" influenced future reformers including leaders of the American and French Revolutions is Rousseau. One of Rousseau's most important works, "The Social Contract," put forth the idea that legitimate government must be based on the consent of the people and the general will. His ideas played a significant role in shaping the political ideologies that emerged during the revolutions.
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