Columbia subject headings:
Democratization--Slovakia.
Democratization--Spain.
European Union--Slovakia.
European Union--Spain.
Harvard subject headings:
Democratization--Slovakia.
Democratization--Spain.
European Union
European Union countries--Foreign relations--Slovakia.
European Union countries--Foreign relations--Spain.
European Union countries--Politics and government.
Slovakia--Foreign relations--European Union countries.
Spain--Foreign relations--European Union countries.
Princeton subject headings: