Columbia subject headings:
Harvard subject headings:
European Union countries--Economic conditions--21st century.
European Union countries--Economic policy.
European Union countries--Foreign economic relations--United States.
United States--Economic conditions--21st century.
United States--Economic policy--21st century.
United States--Foreign economic relations--European Union countries.
Princeton subject headings:
European Union countries--Economic conditions--21st century.
European Union countries--Economic policy.
European Union countries--Foreign economic relations--United States.
United States--Economic conditions--21st century.
United States--Economic policy--21st century.
United States--Foreign economic relations--European Union countries.