Answer:
Italy was one of the Allied powers during World War I, and had expected to receive significant territorial gains and other benefits as a result of its participation in the war. However, the Treaty of Versailles, which ended the war, did not fully satisfy Italy's demands and left the country feeling resentful towards the other Allied powers.
Specifically, Italy had hoped to gain territory in the Balkans and along the Adriatic coast, in order to create a "greater Italy" that would include ethnic Italian populations in these areas. However, the treaty did not grant Italy all of the territory that it had hoped for, and instead awarded many of these areas to other countries, such as Yugoslavia.
Additionally, Italy had expected to receive significant economic benefits from the war, including access to raw materials and trade opportunities. However, the treaty did not provide Italy with the economic advantages that it had hoped for, and instead imposed significant financial burdens on the country.
Overall, the Treaty of Versailles left Italy feeling resentful towards the other Allied powers, as it felt that its contributions to the war had not been fully recognized or rewarded. This resentment contributed to the rise of nationalist and fascist movements in Italy, such as the National Fascist Party led by Benito Mussolini, who promised to restore Italian pride and greatness through aggressive expansionism and militarism.