Columbia subject headings:
Drug control--United States.
Drug traffic--Latin America.
National security--United States.
Harvard subject headings:
Drug control--United States
Drug traffic--Latin America
Latin America--Foreign relations--United States.
National security--United States
United States--Foreign relations--Latin America.
Princeton subject headings:
Drug control--United States.
Drug traffic--Latin America.
Latin America--Foreign relations--United States.
National security--United States.
United States--Foreign relations--Latin America.