It's territory they can't hold but that's not the objective. The objective is to do enough to keep the money following to Ukraine (and laundered to the right sources).
What are the Ukrainians gaining? They are taking a open fields and deserted villages
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NATO summit incouple of weeks
Need to show off “Gains” for continued support
I am seeing a few military experts saying this was a mistake for Ukraine and they should save resources for a long term defensive war instead