In regards to the American attitude that is reflected in They Met in Argentina, what president enacted that policy?
Good Neighbor policy The Good Neighbor policy was the foreign policy of the administration of United States President Franklin Roosevelt towards Latin America. Although the policy was implemented by the Roosevelt administration, President Woodrow Wilson had previously used the term—but subsequently went on to invade Mexico. Senator Henry Clay had coined the term "Good Neighbor" in the previous century.
Alliance for Progress The Alliance for Progress (Spanish: "Alianza para el Progreso" ) initiated by U.S. President John F. Kennedy in 1961 aimed to establish economic cooperation between the U.S. and Latin America. Governor Luis Muñoz Marín of Puerto Rico, was a close advisor on Latin American affairs to Kennedy, and one of his top administrators, Teodoro Moscoso, the architect of "Operation Bootstrap", was named the coordinator of the program by President Kennedy.