If Ukraine returns Crimea and the occupied territories of the south, three cities will be safe, predicts the Institute for the Study of War (ISW). If Ukraine regains Crimea, its defense spending and tasks will be significantly reduced, while if Crimea remains in Russian hands, Ukraine will have to continue to spend significant amounts of money on defense. The January 2022 map assumes that Russia will retain Crimea. If Ukraine liberates Crimea and the territories of the south occupied by Russia, Kherson, Mykolaiv, and Odesa will be safe, and the threat to Melitopol will be significantly reduced…