History of U.S. foreign policy, 1801–1829
The history of U.S. foreign policy from 1801 to 1829 concerns the foreign policy of the United States during the presidential administrations of Thomas Jefferson, James Madison, James Monroe, and John Quincy Adams. International affairs in the first half of this period were dominated by the Napoleonic Wars, which the United States became involved with in various ways, including the War of 1812.
Source: Wikipedia — History of U.S. foreign policy, 1801–1829 (CC BY-SA 4.0)