Which arms could we send to Ukraine which will defeat a Russian takeover? The answer to that question should exactly match what the campaign did. Proxy wars just make new enemies.
Let's do nothing then. That will surely temper his enthusiasm to expand his sphere of influence. Putie's dream stops at Ukraine, right? I'm sure when his tanks roll up to the border of the Baltic states you'll still be arguing for letting Putin be Putin and avoiding making new enemies. What could possibly go wrong?
Ukraine needs man portable anti tank missiles. Pakistan was willing to sell their TOW missiles to Ukraine, but that would have required the US approval. General Breedlove pushed for the White House to give it and that is why he was sacked.