Columbia subject headings:
Drug traffic--Afghanistan.
Narcotics, Control of--Afghanistan.
National security--United States.
Opium trade--Afghanistan.
Terrorsm--United States--Prevention.
Harvard subject headings:
Drug control--Afghanistan.
Drug traffic--Afghanistan
National security--United States
Opium trade--Afghanistan
Terrorism--United States--Prevention
Terrorsm--United States--Prevention.
Princeton subject headings:
Drug control--Afghanistan.
Drug traffic--Afghanistan.
National security--United States.
Opium trade--Afghanistan.
Terrorism--United States--Prevention.