Watch a presentation about the Monroe Doctrine, which was announced on Dec. 2, 1823.  Filled with drawings, maps, and portraits this site gives the background of the development of this doctrine presented by the young United States.  Listen to the information or read the text.  Included is a portion of the Monroe Doctrine and a letter from Thomas Jefferson supporting the doctrine.  This is part of a larger site that offers an entire course of American History.

courtesy of netTrekker