Kingdom of Italy
So during World War I , Italy accepted the British invitation to join the Allied Powers , as the western powers promised territorial compensation ( at the expense of Austria-Hungary ) for participation that was more generous than Vienna's offer in exchange for Italian neutrality . 
<triplet> World War I <subj> Allied Powers <obj> participant <triplet> Allied Powers <subj> World War I <obj> conflict <subj> British <obj> has part