you're right, it's free with kindle Unlimited
You could try Thomas Paine's "Common Sense".
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Perhaps John Locke's political writings
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Or you could dig up the American Declaration of Independence by Thomas Jefferson, which is easy to find on Wikipedia.
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https://en.wikipedia.org/wiki/United_States_Declaration_of_Independence
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Though I doubt you will read or have read any of them. Judging by you derisively calling the men and women marching today "LARPers" "storming" the capitol.