Columbia subject headings:
Africa--Foreign economic relations--United States.
Foreign trade regulation--United States.
Tariff preferences--Africa.
Textile industry--Africa.
Textile industry--Government policy--United States.
United States--Commercial policy.
United States--Foreign economic relations--Africa.
Harvard subject headings:
Africa--Foreign economic relations--United States.
Foreign trade regulation--United States.
Tariff preferences--Africa.
Textile industry--Africa.
Textile industry--Government policy--United States.
United States--Commercial policy.
United States--Foreign economic relations--Africa.
Princeton subject headings:
Africa--Foreign economic relations--United States.
Foreign trade regulation--United States.
Tariff preferences--Africa.
Textile industry--Africa.
Textile industry--Government policy--United States.
United States--Commercial policy.
United States--Foreign economic relations--Africa.