Answer :
Final answer:
Baron de Montesquieu introduced the separation of powers concept in government.
Explanation:
Baron de Montesquieu was the Enlightenment philosopher who first popularized the concept of separation of powers among government branches. He believed in dividing governmental authority into three branches - executive, legislative, and judicial - to prevent any single entity from becoming too powerful.
Learn more about Enlightenment philosophy and government structure here:
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