There wouldn’t be a war in Ukraine if Ukraine just gave up.
Let’s turn that around:
There won’t be a WWIII if Russia just gives up trying to force close-by countries to listen to them under threat of war.
Russia has already stationed short and medium range nuclear weapons in Belarus, and somehow they think that stationing conventional weapons in Germany is a breach of some kind of “deal”? That’s ludicrous. If they don’t want near by countries arming themselves to the teeth they should consider not threatening them with war all the time. We are not threatening to attack Russia. Notice that. NATO is arming up, and explicitly saying “if you attack us, we are prepared.” Meanwhile Russia is explicitly threatening “military action” if NATO dares to arm up.