Origins of United States-Latin American relations / Wesley P. Newton -- United States-Central American relations, 1824-1850 / Charles L. Stansifer -- Steps of considerable delicacy : early relations with Peru / Lawrence A. Clayton -- Impossible job, impossible man! : Thomas Sumter, Jr., and diplomatic relations between the United States and the Portuguese court in Brazil, 1809-1821 / Phil Brian Johnson and Robert Kim Stevens -- Initiating United States relations with Argentina / Paul Goodwin, Jr. -- The United States and Mexico, 1820-1850 / Edward H. Moseley -- Early United States recognition of Colombian independence and subsequent relations to 1830 / Eugene R. Huck -- Personnel diplomacy : the United States and Chile, 1812-1850 / T. Ray Shurbutt.