The ekklesia officially accepted Philip's harsh terms, including the renouncement of their claim to Amphipolis. However, when an Athenian delegation arrived at Pella to put Philip under oath, which was required to conclude the treaty, he was campaigning abroad.* G. Cawkwell, "Philip II of Macedon", 102–103.</ref> He expected that he would hold safely any Athenian possessions that he might seize before the ratification.* G. Cawkwell, "Philip II of Macedon", 102–103.</ref> Being very anxious about the delay, Demosthenes insisted that the embassy should travel to the place where they would find Philip and swear him in without delay. Despite his suggestions, the Athenian envoys, including himself and Aeschines, remained in Pella, until Philip successfully concluded his campaign in Thrace.* G. Cawkwell, "Philip II of Macedon", 102–103.</ref>