Columbia subject headings:
Economic assistance, American--Iran.
Economic sanctions--Iran.
Iran--Foreign relations--United States.
Nuclear nonproliferation--Iran.
Nuclear weapons--Iran.
United States--Foreign relations--Iran.
Harvard subject headings:
Economic assistance, American--Iran.
Economic sanctions--Iran.
Iran--Foreign relations--United States.
Nuclear nonproliferation--Iran
Nuclear weapons--Iran
United States--Foreign relations--Iran.
Princeton subject headings:
Economic assistance, American--Iran.
Economic sanctions--Iran.
Iran--Foreign relations--United States.
Nuclear nonproliferation--Iran.
Nuclear weapons--Iran.
United States--Foreign relations--Iran.