Columbia subject headings:
Latin America--Foreign economic relations--United States.
Paraguay--Foreign economic relations--United States.
United States--Foreign economic relations--Latin America.
United States--Foreign economic relations--Paraguay.
World War, 1939-1945--Economic aspects--Latin America.
Harvard subject headings:
Latin America--Foreign economic relations--United States.
Paraguay--Foreign economic relations--United States.
United States--Foreign economic relations--Latin America.
United States--Foreign economic relations--Paraguay.
World War, 1939-1945--Economic aspects--Latin America.
Princeton subject headings:
Latin America--Foreign economic relations--United States.
Paraguay--Foreign economic relations--United States.
United States--Foreign economic relations--Latin America.
United States--Foreign economic relations--Paraguay.
World War, 1939-1945--Economic aspects--Latin America.