Columbia subject headings:
European Union countries--Relations--United States.
International relations.
United States--Relations--European Union countries.
Harvard subject headings:
Asian cooperation--Forecasting.
China--Relations--Western Hemisphere--Forecasting.
European Union countries--Relations--United States--Forecasting.
European cooperation--Forecasting.
International cooperation--Forecasting.
North Atlantic Treaty Organization--Poland.
United States--Relations--European Union countries--Forecasting.
Western Hemisphere--Relations--China--Forecasting.
Princeton subject headings:
European Union countries--Relations--United States.
International relations.
United States--Relations--European Union countries.