Columbia subject headings:
Latin America--Foreign relations--United States.
United States--Foreign relations--Latin America.
War on Terrorism, 2001-2009.
Harvard subject headings:
Argentina--Foreign relations--United States.
Brazil--Foreign relations--United States.
Paraguay--Foreign relations--United States.
Terrorism
United States--Foreign relations--2001-2009.
United States--Foreign relations--Argentina.
United States--Foreign relations--Brazil.
United States--Foreign relations--Paraguay.
War on Terrorism, 2001-2009
Princeton subject headings: