President Thomas Jefferson

Definition

President Thomas Jefferson was the third president of the United States, serving from 1801 to 1809. He was a founding father and played a major role in shaping the early development of the country.

Related terms

Lewis and Clark Expedition: An expedition led by Meriwether Lewis and William Clark, commissioned by President Jefferson to explore and map the newly acquired Louisiana Territory.

Embargo Act of 1807: A law enacted by President Jefferson that prohibited American ships from trading with foreign nations, in an attempt to protect American interests.

Marbury v. Madison: A landmark Supreme Court case during Jefferson's presidency that established the principle of judicial review, giving courts the power to declare laws unconstitutional.