Either you give them land from which they can prepare their next attack or you show them that they’re unable to take and hold land. So yeah. Pretty much.

It ends the second russia withdraws its troops or they are beaten out of Ukraine.

Yup. Russia doesn’t understand diplomacy. Only force. It’s sad that russia acts this way, so, unfortunately, beating them is the only way to have lasting peace.

That or leadership change but I don’t think putler fears anything more than losing power and the people are either weak or live in a propaganda bubble.