European Commission President Ursula von der Leyen speaks during a media conference after talks with Montenegro's Prime Minister Milojko Spajic in Podgorica, Montenegro, Saturday, Oct. 26, 2024. (AP Photo/Risto Bozovic)

European Commission President Ursula von der Leyen listens to Serbian President Aleksandar Vucic during a news conference at the Serbia Palace in Belgrade, Serbia, Friday, Oct. 25, 2024. (AP Photo/Darko Vojinovic)

Montenegro's Prime Minister Milojko Spajic, right, shakes hands with European Commission President Ursula von der Leyen in Podgorica, Montenegro, Saturday, Oct. 26, 2024. (AP Photo/Risto Bozovic)