Thomas Jefferson - 1801-1809
-Elected in the "Revolution of 1800"
-Radically cuts government spending
-Conflict with the Barbary States leads to military action and an eventual peace treaty in 1805
-The case of Marbury v. Madison is heard in 1803
-The Republicans in congress, due to both Federalist and internal opposition, fail to impeach Samuel Chase, setting the precedent for impeachment proceedings, in 1805
-Jefferson, despite misgivings regarding his constitutional authority to do so, finalizes the Louisiana Purchase in 1803
-The Burr conspiracy of 1806 highlights the weakness of the United States