Columbia subject headings:
European Union countries--Economic integration.
European Union--Great Britain.
Sovereignty.
Harvard subject headings:
Competition, International
European Union
Free trade--Europe.
Free trade--Great Britain
Protectionism--Europe.
Protectionism--Great Britain.
Princeton subject headings:
Competition, International.
European Union.
Free trade--Europe.
Free trade--Great Britain.
Protectionism--Europe.
Protectionism--Great Britain.