Leaders from major European allies, NATO and the European Union are traveling to Washington, D.C., to join Ukrainian President Volodymyr Zelenskyy at his Monday meeting with President Donald Trump—setting up what appear to be crucial talks as Trump pushes for a ceasefire in the war in Ukraine that has been raging since the Russian invasion in 2022.

When Zelenskyy returns to the Oval Office on Monday, at least a half-dozen European leaders will join him in a high-profile display of unity. After meeting with Putin on Friday, Trump aligned himself with Russian positions,