sentences:  With Hunyadi, the barons, and the prelates of the Kingdom of Hungary in attendance, Vladislaus solemnly agreed to "abjure any treaties, present or future, which he had made or was to make with the Sultan".Cesarini had carefully worded the declaration such that negotiations could continue and the treaty could still be ratified by oath, without removing the possibility of a crusade or breaking the terms of the treaty because the oath was invalidated even before it was given.Despite Cesarini's solution, the negotiations lasted for ten days.