Question

between whom the treaty of versallies and the two causes of treaty of versallies

Answer 1

Treaty of Versailles was the most important of the peace treaties that brought World War I to an end. The Treaty ended the state of war between Germany and the Allied Powers

Answer 2

the war was between HITLER ( Germany ) and the ALLIES (Britain, soviet union, us )

causes of ww2 :

Treaty of Versailles 
Great Depression 
Rise of Hitler and the Nazi party