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