“The war is being fought in Ukraine, and Ukrainians are certainly suffering the most. But the costs incurred by Ukraine’s primary backers, the United States and Europe, will determine Ukraine’s capacity in defending itself against Russia. Without Western support, Ukraine’s recent victories in the counteroffensive will be difficult to sustain.”
https://www.vox.com/policy-and-politics/2022/10/1/23380326/future-ukraine-russia-war-putin