Center on Europe and Eurasia

Ukrainian soldiers sit on a armored military vehicle in the city of Severodonetsk, Donbas region, on April 7, 2022. (Photo by Fadel Senna/AFP via Getty Images)

Ukrainian President Volodymyr Zelensky on March 15, 2022. (President of Ukraine via Wikimedia Commons)

Russian President Vladimir Putin shakes hands with Saudi Deputy Crown Prince and Defense Minister Mohammed bin Salman during a meeting at the Kremlin in Moscow on May 30, 2017. (Pavel Golovkin/AFP via Getty Images)

Ukrainian soldiers on patrol on March 6, 2022 in Irpin, Ukraine. (Photo Laurent Van der Stockt pour Le Monde/Getty Images)

Ukrainian service members look for and collect unexploded shells after a fighting with Russian raiding group in the Ukrainian capital of Kyiv on February 26, 2022. (Photo by Sergei Supinsky/AFP via Getty Images)