Center on Europe and Eurasia

Volodymyr Zelenskyy and Donald Trump gather for a meeting on September 27, 2024, in New York City. (Alex Kent via Getty Images)

Ukrainian military holds a flag of Ukraine as they receive equipment from Lithuania on November 4, 2024, in Kyiv, Ukraine. (Ihor Kuznietsov/Global Images Ukraine via Getty Images)

A panoramic view of the White House in Washington, DC, on November 4, 2024. (STR/NurPhoto via Getty Images)

Two Ukrainian army mechanics repair a broken MT-LB in Kharkiv, Ukraine, on October 25, 2024. (Fermin Torrano/Anadolu via Getty Images)

Vladimir Putin walks prior to his inauguration ceremony in Moscow on May 7, 2024. (Sergei Bobylyov/AFP via Getty Images)

A Ukrainian anti-aircraft squadron guards the skies along the front lines in Donetsk Oblast, Ukraine, on October 19, 2024. (Fermin Torrano/Anadolu via Getty Images)

Russian President Vladimir Putin and Russian Education Minister Sergey Kravtsov on October 21 2024, in Razdory, Russia. (Getty Images)

Soldiers take part in the combat shooting exercises of the Lithuanian army and the French-German brigade in Pabrade, Lithuania, on May 6, 2024. (Petras Malukas/AFP via Getty Images)

Flags for the United States and Ukraine fly on April 23, 2024, in Washington, DC. (Anna Moneymaker via Getty Images)

Ukrainian soldiers on an M2 Bradley infantry fighting vehicle on February 23, 2024, in Donetsk Oblast, Ukraine. (Vitalii Nosach/Global Images Ukraine via Getty Images)

Ukrainian soldiers await orders to fire from a 2S1 on September 26, 2024, in Chasiv Yar, Ukraine. (Pierre Crom via Getty Images)

Russian President Vladimir Putin gestures during his speech on September 7, 2024, in Moscow, Russia. (Getty Images)