Columbia subject headings:
International relations--History--21st century.
Latin America--Foreign relations--United States.
United States--Foreign relations--21st century.
United States--Foreign relations--Latin America.
World politics--21st century.
Harvard subject headings:
International relations--History--21st century
Latin America--Foreign relations--United States.
United States--Foreign relations--21st century.
United States--Foreign relations--Latin America.
World politics--21st century
Princeton subject headings:
International relations--History--21st century.
Latin America--Foreign relations--United States.
United States--Foreign relations--21st century.
United States--Foreign relations--Latin America.
World politics--21st century.