Biden just added an uncertainty to the war.

Biden has officially visited the NATO, and I can say that this has risk the war relation between Russia and it's a smart move for him and also his nation. In fact he is a very good businessman, his visit to NATO can rest assured the consistency of supply resources to them, while on the other hand without using any resources from his nation and asked NATO to stand together with Ukraine. If NATO really take on this advise, indeed the war will not ending soon as Russia doesn't like to be threaten, this we can see from why this war started. While China, are awaiting USA to make the move, and this is obviously the 3 kingdoms in realities. Only negotiation will make the peace. Supply chain will still disrupt while this continue, hope the NATO think twice before action, accepting Ukraine as part of EU is a death match. 

Do share your opinion as this is just my 2 cents.