Columbia subject headings:
Andes Region--Foreign relations--Colombia.
Andes Region--Foreign relations--United States.
Colombia--Foreign relations--Andes Region.
Colombia--Foreign relations--United States.
National security--Andes Region.
National security--Colombia.
National security--United States.
Paramilitary forces--Andes Region.
Paramilitary forces--Colombia.
Political violence--Andes Region.
United States--Foreign relations--Andes Region.
United States--Foreign relations--Colombia.
Harvard subject headings:
Andes Region--Foreign relations--Colombia.
Andes Region--Foreign relations--United States.
Colombia--Foreign relations--Andes Region.
Colombia--Foreign relations--United States.
Drug control--Andes Region
Drug control--Colombia
Drug control--United States
Drug traffic--Colombia.
United States--Foreign relations--Andes Region.
United States--Foreign relations--Colombia.
Princeton subject headings:
Andes Region--Foreign relations--Colombia.
Andes Region--Foreign relations--United States.
Colombia--Foreign relations--Andes Region.
Colombia--Foreign relations--United States.
Drug control--Andes Region.
Drug control--Colombia.
Drug control--United States.
Drug traffic--Colombia.
United States--Foreign relations--Andes Region.
United States--Foreign relations--Colombia.