Turkey regained some of the land Greece had taken, control of the Dardanelles and Bosphorus straits, and the right to decide how big their armed forces were. Reparations were cancelled and Allied troops were withdrawn
Treaties were hard to enforce and could be overturned
It looked like the British had accepted the original treaty of Sevres was unfair - this undermined all the treaties
Seeing this, Mussolini and Hitler realised they could also get away with breaking international law