The correct option is "Italy"
The Treaty of London, also known as the Treaty of London (in English) or Patto di Londra (in Italian), was signed in London on April 26, 1915. For him, Italy entered the First World War on the side of the Entente . The treaty was secret and the signatory countries were: The Kingdom of Italy, United Kingdom of Great Britain and Ireland, France and the Russian Empire.
Under the treaty, Italy would receive the areas inhabited by Italians in the Austro-Hungarian Empire, much of the Dalmatian coast and the rest of the Balkan territories of the Austro-Hungarian Empire would be divided between three independent States: the Kingdom of Serbia, the Kingdom of Montenegro and Croatia . In return, Italy was committed to abandon the Triple Alliance, which united the German and Austro-Hungarian empires and enter the war on the side of the Entente.