So you are personally prepared to die over a few regions in Ukraine that want to be Russian? Do your friends and family know you'd like them to die or suffer a nuclear apocalypse so some insignificant corner of the world can finally be free from Russia, Ukraine, and Modern Civilization?

Sounds like you didn't pay attention to 20th century history so here's the cliff items:

Nuclear war = very bad. No winners. Most die. Civilization collapses. Mad max ensues