German foreign and security policy has been stirred up by Putin's war. In a dossier, the magazine for international politics collects contributions from various experts who try to classify the conflict and its significance for Germany and the West. In his article, Prof. Dr. Thomas Risse draws parallels to 9/11 and the day the Berlin Wall came down and explains why this war could have a similar significance in history. For him, it is clear that Germany needs a change in foreign policy.