Columbia subject headings:
Congresses and conventions--Economic aspects--United States.
Political participation--United States.
United Nations.
United States--Foreign economic relations.
Harvard subject headings:
Congresses and conventions--Economic aspects--United States.
Political participation--United States
United Nations
United States--Foreign economic relations.
Princeton subject headings:
Congresses and conventions--Economic aspects--United States.
Political participation--United States.
United Nations.
United States--Foreign economic relations.