Columbia subject headings:
Colombia--Boundaries--Ecuador.
Drug control--Colombia.
Drug control--Ecuador.
Drug traffic--Colombia.
Drug traffic--Ecuador.
Ecuador--Boundaries--Colombia.
Insurgency--Colombia.
Insurgency--Ecuador.
Harvard subject headings:
Colombia--Boundaries--Ecuador.
Colombia--Relations--Ecuador.
Colombia--Relations--United States.
Drug control--Colombia
Drug control--Ecuador.
Drug traffic--Colombia.
Drug traffic--Ecuador.
Economic assistance, American--Colombia
Ecuador--Boundaries--Colombia.
Ecuador--Relations--Colombia.
Insurgency--Colombia
Insurgency--Ecuador.
Military assistance, American--Colombia.
United States--Relations--Colombia.
Princeton subject headings:
Colombia--Boundaries--Ecuador.
Drug control--Colombia.
Drug control--Ecuador.
Drug traffic--Colombia.
Drug traffic--Ecuador.
Ecuador--Boundaries--Colombia.
Insurgency--Colombia.
Insurgency--Ecuador.