What was the main cause of treaty of Versailles

It 's a peace treaty that formally ended the First World War, though hostilities actually had ended in 1918. It was signed in 1919 by the victors - France, Britain, the USA and other Allies - and the vanquished - Germany, Austria, allies -. In one clause, it blames Germany for the war, and it imposes exorbitant, humilliating reparations on Germany and limitations on its army. It also redrew the political map of Europe, giving nations such as Poland independence.