When Phraates demanded his lost provinces he replied, that the question of borders was one which lay, not between Parthia and Rome, but between Parthia and Armenia.

When he laid it down that the Euphrates properly bounded the Roman territory, and charged Pompey not to cross it, the latter said he would keep to the just bounds, whatever they were.

When Tigranes complained that after having been received into the Roman alliance he was still attacked by the Parthian armies, the reply of Pompey was that he was willing to appoint arbitrators who should decide all the disputes between the two nations.

The moderation and caution of these answers proved contagious.
The monarchs addressed resolved to compose their differences, or at any rate to defer the settlement of them to a more convenient time.

They accepted Pompey's proposal of an arbitration; and in a short time an arrangement was effected by which relations of amity were re-established between the two countries.
It would seem that not very long after the conclusion of this peace and the retirement of Pompey from Asia (B.C.