Appeasement also has its issues. There is no guarantee that Russia would stop at Ukraine just like Germany didn't stop with Czechoslovakia. If Russia successful

Appeasement also has its issues. There is no guarantee that Russia would stop at Ukraine just like Germany didn't stop with Czechoslovakia. If Russia successfully annexed Ukraine, it would grow stronger with all of Ukraine's resources. https://en.wikipedia.org/wiki/Munich_Agreement https://en.wikipedia.org/wiki/Munich_Agreement We didn't do anything when they annexed Georgia and Crimea and here we are. It's certainly concerning.