European Council on Foreign Relations
By Marta Prochwicz Jazowska
8 September 2025
Poland was once Ukraine’s most vocal supporter. Now the government is preoccupied with its own battle: as Poland attempts to secure its own sovereignty against Russia, its politicians disagree on how to deal with those Ukrainians who are making Poland their home. This struggle is undermining Poland’s effectiveness in the Ukrainian war effort, constraining Polish foreign policy, and leaving Poland’s key allies unsure of its position toward Ukraine. For Europeans, Poland’s domestic paralysis is actively undermining the entire Western response to Russia’s actions at the most critical moment for European security since the cold war.
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