Whose enlightenment principles did thomas jefferson build upon when he drafted the declaration of independence?
a. john adams
b. john locke
c. king george iii
d. george washington

It was primarily the Enlightenment principles of "John Locke" that Thomas Jefferson built upon when he drafted the Declaration of Independence, since Locke was a firm believer that the people have a right to replace their government if that government becomes tyrannical. 

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