<prompt> Translate the following text to EnglishMwaka uliofuata, kwa kile ambacho Waziri Mkuu Antonio Salander alitambua kuwa sacro egoismo, Italia ilitia saini mkataba wa siri wa kuingia vitani upande wa Uingereza, Ufaransa na Urusi kwa kubadilishana na kuunganishwa kwa baada ya vita kwa Trento, South Tyrol sasa Alto Adige na Trieste.  <response>: The following year, acting with what Prime Minister Antonio Salandra acknowledged to be sacro egoismo, Italy signed a secret treaty to enter the war on the side of Britain, France, and Russia in exchange for the post-war annexation of Austrian-held Trento, South Tyrol now Alto Adige, and Trieste. 