Columbia subject headings:
South America--Relations--United States.
South America.
United States--Relations--South America.
World War, 1939-1945--South America.
Harvard subject headings:
South America--Relations--United States.
South America.
United States--Relations--South America.
World War, 1939-1945--South America.
Princeton subject headings:
South America--Relations (general) with the United States.
South America.
United States--Relations (general) with South America.
World War, 1939-1945--South America.