Territory was taken from Russia to create Poland. Russia wanted this land back and so signed the Nazi-Soviet Pact
Too harsh on Germany, causing Hitler promising to 'right the wrongs'
Britain felt Hitler should be allowed to overturn the Treaty, so didn't intervene to prevent events such as Anschluss at first
Created new states such as Czechoslovakia and Poland, where many Germans were living. Hitler was determined to reunite these people in a Greater Germany