Final answer:
Thomas Jefferson influenced the development of democracy in the United States through his use of Enlightenment principles and advocacy for individual rights.
Step-by-step explanation:
Thomas Jefferson influenced the development of democracy in the United States by using Enlightenment principles to explain why the country was demanding its independence. He argued for the natural rights of individuals, such as life, liberty, and the pursuit of happiness, which are foundational to democracy. His ideas were reflected in the Declaration of Independence and helped shape the democratic principles of the new nation.
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