Donald Tusk called the vote to seek endorsement of his government after a political opponent won the presidency.

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Efforts in the Polish region of Silesia to honor Ernest Wilimowski, a local star who played for the national teams of both Poland and Nazi Germany, are raising tricky questions about national loyalty and betrayal.

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The country’s government is centrist, with deep ties to Brussels. Its new president is a Trump-backed nationalist. That reflects a broader struggle.

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The victory of Karol Nawrocki, who is backed by the previous right-wing governing party, will complicate Prime Minister Donald Tusk’s efforts to advance his liberal agenda.

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