Center on Europe and Eurasia

People walk by an European flag in the German Lower House of parliament ahead of the upcoming summit of the European Council and the upcoming NATO summit in Washington, DC, on June 26, 2024, in Berlin, Germany. (Michele Tantussi/Getty Images)

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A view of the Presidential Palace and the Prince Jozef Poniatowski Monument in Warsaw, Poland, on October 23, 2023. (Jakub Porzycki/NurPhoto via Getty Images)

Ukrainian soldiers operate an American Humvee fitted with Soviet era Grad launcher in the direction of Toretsk, Ukraine, on January 23, 2025. (Wolfgang Schwan/Anadolu via Getty Images)

Ukrainian soldiers work on a Soviet era Pion self propelled howitzer in the direction of Chasiv Yar, Ukraine, on January 27, 2025. (Wolfgang Schwan/Anadolu via Getty Images)

Russian President Vladimir Putin speaks during the awarding ceremony at the Moscow State University, on January 24, 2025, in Moscow, Russia. (Getty Images)

Participants sit in front of the NATO logo during the NATO summit in Newport, South Wales, on September 4, 2014. (Maurizio Gambarini via Getty Images)

Georgian opposition supporters protest results of the parliamentary elections in central Tbilisi, Georgia, on October 28, 2024. (Vano Shlamov/AFP via Getty Images)

A Ukrainian serviceman fires a rocket-propelled grenade launcher on January 6, 2025, in Donetsk Oblast, Ukraine. (Roman Chop via Getty Images)

Polish Prime Minister Donald Tusk walks prior to the start of the European Union Summit on February 2, 2024, in Brussels, Belgium. (Thierry Monasse via Getty Images)

Georgian Prime Minister Irakli Kobakhidze holds a briefing in Tbilisi, Georgia, on December 4, 2024. (Vano Shlamov/AFP via Getty Images)

Ukrainian soldiers prepare artillery in Donetsk Oblast, Ukraine, on December 10, 2024. (Diego Herrera Carcedo/Anadolu via Getty Images)