Declaration of Independence: This is the document written by Thomas Jefferson in 1776 that declared the thirteen American colonies' independence from Great Britain. It outlined grievances against King George III and expressed key principles such as all men are created equal.
Enlightenment: A philosophical movement in 18th century Europe that emphasized reason, individualism, skepticism towards traditional institutions, and belief in progress. Many ideas from this period influenced Thomas Jefferson's political philosophy.
Republican Democracy: A form of government where citizens elect representatives to make decisions on their behalf. This concept was strongly advocated by Thomas Jefferson.