Wilsons 14 point plan was used to determine Europe’s future which involved the principle of self-determination being applied in the peace negotiations, this caused Italy to be denied Dalmatia and no colonies was it was based on the 3 factors that all diplomacy should be open, frontiers should be administered along the lines of nationality and Austria-Hungary should be separate nations, Italy’s territorial claims were based on the treaty of London which was rendered illegitimate due to the 14 points, as well as this Italy had a poor war record so the Allies questioned the gains that Italy requested as their assistance didn’t match their promises only gaining 9,000 square miles of territory during the war, however this wasn’t the treaty which impacted Italy the most