president Biden should stop Vladimir Putin from continuing the war in Eukrain and prevent him from starting nuclear war

Cuzz Vladimir killed every one inrhat city where he's from in Russia and used that as an excuse to invade the Eukrain to have the war to where it stands and now wants to escalate it more with other countries and even turn it into a nuclear war and he should be stopped and to prevent a nuclear war and president Biden should be doing more about it