Columbia subject headings:
America--Politics and government.
Latin America--Foreign relations--United States.
Monroe doctrine.
United States--Foreign relations--Latin America.
Harvard subject headings:
America--Politics and government.
Latin America--Foreign relations--United States.
Monroe doctrine
United States--Foreign relations--Latin America.
Princeton subject headings:
America--Politics and government.
Latin America--Foreign relations--United States.
Monroe doctrine.
United States--Foreign relations--Latin America.