Columbia subject headings:
Export controls--Government policy--United States.
Foreign trade regulation--Iran.
National security--United States.
Harvard subject headings:
Economic sanctions, American--Iran.
Iran--Foreign relations--United States.
Iran--Politics and government--20th century.
United States--Foreign relations--Iran.
Princeton subject headings:
Economic sanctions, American--Iran.
Iran--Foreign relations--United States.
Iran--Politics and government--20th century.
United States--Foreign relations--Iran.