If anything, the past several months have shown that the Ukrainians will keep fighting without American support, and want to keep fighting, because the only oth

If anything, the past several months have shown that the Ukrainians will keep fighting without American support, and want to keep fighting, because the only other choice would be surrender and enslavement. Having said that, America and the EU do get something out of supporting Ukrainian sovereignty. And it's not just damage to Russian military capacity, it's deterrence against Russian imperial expansion all along the frontier.