In order to render closer and more effective the relationship between the American republics the President of the United States is authorized, subject to such appropriations as are made available for the purpose, to utilize the services of the departments, agencies, and independent establishments of the Government in carrying out the reciprocal undertakings and cooperative purposes enunciated in the treaties, resolutions, declarations, and recommendations signed by all of the twenty-one American republics at the Inter-American Conference for the Maintenance of Peace held at Buenos Aires, Argentina, in 1936, and at the Eighth International Conference of American States held at Lima, Peru, in 1938.