Final answer:
Thomas Jefferson played a role that was very significant in the American Revolution as a delegate, author of the Declaration of Independence, and President of the United States.
Step-by-step explanation:
Thomas Jefferson, born in Virginia in 1743, played a significant role in the American Revolution. He was a delegate to the House of Burgesses and the Continental Congress and was chosen to draft the Declaration of Independence. Jefferson also served as a U.S. Minister to France, the first Secretary of State under George Washington, and Vice-President under John Adams. As President, he was responsible for the Louisiana Purchase and the Lewis and Clark Expedition.