Putin has been destabilizing bordering countries that have expressed interest in joining NATO--Georgia, Moldova and Ukraine. He will never stop doing so while he is in power.
Also, Russia's second war with Chechnya, the one in which Grozny was flattened, was under Putin. https://www.npr.org/2022/03/12/1085861999/russias-wars-in-chechnya-offer-a-grim-warning-of-what-could-be-in-ukraine
Georgia