
A treatise on political theory first published by Charles de Secondat, Baron de Montesquieu, which famously introduced the concept of the separation of powers.
You you read Thomas Hobbes Leviathan or John Lockach or Montescu
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"The speaker mentions 'Montescu' (Montesquieu) as a key thinker in the creation of the American government system; per core rules, the author's most popular book is included."