A giant European Union flag hangs from a building as smaller ones adorn a main street in Sarajevo, Bosnia, Thursday, March 21, 2024. European Union leaders meeting in Brussels are expected to give a greenlight to Bosnia and Herzegovina to open membership talks once certain conditions are met. (AP Photo/Eldar Emric)
A woman walks under European Union flags placed in one of the main streets in Sarajevo, Bosnia, Thursday, March 21, 2024. European Union leaders meeting in Brussels are expected to give a greenlight to Bosnia and Herzegovina to open membership talks once certain conditions are met. (AP Photo/Eldar Emric)
Lithuania's President Gitanas Nauseda, right, arrives for a EU Summit in Brussels, Thursday, March 21, 2024. European Union leaders are gathering to consider new ways to help boost arms and ammunition production for Ukraine. Leaders will also discuss in Thursday's summit the war in Gaza amid deep concern about Israeli plans to launch a ground offensive in the city of Rafah. (AP Photo/Geert Vanden Wijngaert)
Netherland's Prime Minister Mark Rutte speaks with the media as he arrives for a EU Summit in Brussels, Thursday, March 21, 2024. European Union leaders are gathering on Thursday to thrash out new ways to help boost arms and ammunition production for Ukraine, and to discuss the war in Gaza amid deep concern about Israeli plans to launch a ground offensive in the city of Rafah. (AP Photo/Omar Havana)