You could ask "Is Putin more like Hitler or is Putin more like Ho Chi Minh?"

Putin does not try to hide the fact that he wants to restore the Russian empire and reconquer the former soviet bloc - a group of peoples who want nothing to do with him.

Ho Chi Minh wanted an independent Vietnam, got it, and never really expanded from there.

We either help the Ukranians stop Putin now or we fight a much bigger fight later. Hitler could have easily been stopped at the Rhineland, or at Czechoslovakia. But instead we got "Peace for our time".