Columbia subject headings:
Developing countries--Foreign economic relations.
Economic assistance, American--Developing countries.
United States--Foreign economic relations--Developing countries.
Harvard subject headings:
Developing countries--Foreign economic relations.
Economic assistance, American--Developing countries
United States--Foreign economic relations--Developing countries.
Princeton subject headings:
Developing countries--Foreign economic relations.
Economic assistance, American--Developing countries.
United States--Foreign economic relations--Developing countries.