While named the Imperial Economic Conference , the principal activity concerned the rights Legality of the Dominions in regards to determining Deciding their own foreign policy .

During the crisis Hostile_encounter , the British cabinet issued Statement a communiqué threatening to declare Expressing_publicly war against Turkey on behalf of the UK and the Dominions .

British Prime Minister David Lloyd George had not consulted the Dominions and Canada disavowed Agree_or_refuse_to_act the British ultimatum : when Canadian Prime Minister William Lyon Mackenzie King referred Adducing the issue to the Canadian parliament , it declared Expressing_publicly that it alone had the authority to declare Expressing_publicly war on behalf of Canada .

The conference was attended Participation by the Prime Ministers of all of the Dominions within the Commonwealth except Ireland .

Members of the Churchill War Cabinet and the High Commissioners of the Dominions also attended Participation .