United States growing role in World Affairs By lasowell50 Period: Jan 1, 1793 to Dec 31, 1823 United States Growing Role in World Affairs Apr 22, 1793 Proclamation of Neutrality Jan 1, 1797 XYZ Affair 1797-1798 Dec 11, 1801 Convention of 1800 Oct 20, 1803 Louisianna Purchase Dec 22, 1807 Embargo Act http://www.infoplease.com/encyclopedia/history/embargo-act-1807.html Jun 18, 1812 War of 1812 Dec 24, 1814 Treaty of Ghent http://www.ourdocuments.gov/doc.php?flash=true&doc=20 Dec 2, 1823 Monroe Doctrine Monroe Doctrine