Center on Europe and Eurasia

US President Donald Trump meets with French President Emmanuel Macron in the Oval Office at the White House on February 24, 2025, in Washington, DC. (Chip Somodevilla/Getty Images)

A Ukrainian soldier conducts training on April 8, 2025. (Getty Images)

A batch of fiber-optic drones are seen before being handed over to the Ukrainian armed forces in Kyiv, Ukraine, on April 1, 2025. (Mykhaylo Palinchak via Getty Images)

The flags of the United States, Saudi Arabia, and Ukraine are seen prior to talks on March 11, 2025, in Jeddah, Saudi Arabia. (Salah Malkawi via Getty Images)

A Boxer wheeled armored infantry vehicle of the German armed forces drives across the Rheinmetall site on May 2, 2024. (Philipp Schulze/picture alliance via Getty Images)

Ukraine's President Volodymyr Zelenskyy delivers a press conference in Paris, on March 27, 2025. (Getty Images)

President Donald Trump walks toward Marine One on the South Lawn of the White House on March 28, 2025. (Getty Images)

Benjamin Netanyahu and his counterpart Boyko Borisov shake hands during a press conference on September 11, 2012, in Jerusalem, Israel. (Gali Tibbon via Getty Images)

A Taliban security personnel stands guard outside the Shah-Do Shamshira Mosque during Eid al-Fitr prayers in Kabul on March 30, 2025. (Ahmad Sahel Arman/AFP via Getty Images)

Apartment buildings and houses are pictured in Nuuk, Greenland, on March 24, 2025. (Juliette Pavy/AFP via Getty Images)

This photograph shows a Dassault Rafale aircraft parked on the tarmac of the French Air and Space Force Luxeuil-Saint-Sauveur Airbase in Saint-Sauveur, France, on March 18, 2025. (Ludovic Marin/AFP via Getty Images)

Azerbaijan's President Ilham Aliyev and Armenia's Prime Minister Nikol Pashinyan attend a plenary session at the BRICS summit, in Kazan, Russia, on October 24, 2024. (Photo by Maxim Shmetov/AFP via Getty)