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.

Explanation:

d) a constitutional amendment