The disagreement centered on Ukraine's negotiation stance with Russia, with Vice President Vance accusing Zelensky of disrespect. Trump escalated the tension, accusing Zelensky of endangering millions and risking World War III. Zelensky expressed disbelief at the intensity of the confrontation, questioning the nature of the diplomacy being employed. The meeting concluded prematurely, with Zelensky foregoing the planned signing of agreements.

The incident sparked international reactions, with European leaders largely rallying behind Zelensky and emphasizing continued support for Ukraine against Russian aggression. French President Emmanuel Macron reaffirmed solidarity with Ukraine, while others urged sustained backing. Conversely, Hungary's Prime Minister Viktor Orban voiced support for Trump, highlighting divisions in the international response. Despite the clash, NATO Secretary General Mark Rutte emphasized the need to rebuild relations between the U.S. and Ukraine.

The White House meeting concluded prematurely after President Trump accused Zelensky of endangering millions and risking World War III. This diplomatic clash underscores the fragility of international alliances and the potential for rapid shifts in geopolitical relationships.