“Perhaps the single greatest cause of World War II was born out of the Peace Treaty that ended World War I: the War guilt clause.”
Germans solely responsible for starting the war
They were forced to sign it and they were angry
They hated the guilt clause most of all
This gave rise to Hitler.
summary
he War Guilt Clause was put in place following the Paris Peace Conference. It declared Germany 100% responsible for the war and made them pay for the damage done by the war.