sentences:  Russia was not represented in this agreement as the Tsarist regime was in a state of collapse ("see" Russian Revolution of 1917).However, the lack of Russian consent to the Saint-Jean-de-Maurienne agreement was used by the British at the 1919 Paris Peace conference to invalidate it, a position that greatly incensed the Italian government.The representatives of Great Britain, France, Russia and Italy met in London in 1915 to sign an agreement providing for Italy’s entrance to the First World War.