Columbia subject headings:
Harvard subject headings:
Developing countries--Foreign economic relations--United States.
Food industry and trade--United States
Food supply--Political aspects--Developing countries.
International business enterprises--Developing countries
United States--Foreign economic relations--Developing countries.
Princeton subject headings:
Developing countries--Foreign economic relations--United States.
Food industry and trade--United States.
Food supply--Political aspects--Developing countries.
International business enterprises--Developing countries.
United States--Foreign economic relations--Developing countries.