The best way to end this war is to negotiate with Putin, and sacrifice the land they currently hold which is majority Russian speakers. The same land the CIA has been installing it's spy bases along the existing border and provoking Russia with since 2014 ... training troops for spy and sabotage missions into Russia.
The west should swallow it's pride and realize they bit off more than they can chew - that this is their price to pay for being so foolish.
