To what extent was the legacy Treaty of Versailles the main cause of the Second World War?

Thesis - The legacy and impact of the Treaty of Versailles was the main cause of the WWII, since it set the precedent for a following conflict. Despite this, the failure of collective security, the economic situation between the interwar years, the policy of appeasement, and Hitler's own political views also played a key role that must not be undermined in causing the war. First Paragraph - Treaty of VersaillesSource of anger and humiliation for Germany no real military, no air force, no navy power, limited police force reparations and war guilt clause lost territory was treated like a surrender, even though Germany had not been occupied Set the precedent for the revision of its terms by Hitler Second Paragraph - Other causes - Cause 1 - failure of collective securityLeague of Nations was successful in handling small disputes, but not larger powers Possessed several structural flaws Absence of the USA, USSR, Germanyno army to enforce unanimous voting did not meet often