VaRoma vaiziva kuti kukunda kwavo kwakanga kuchiri kusimba, uye kuti kana mambo weParthia angobata nekumukira kweHyrcanian, aizoisa pfungwa dzake kuArmenia. Pasinei nekusava nechido kwaVologases kuisa njodzi yekurwisana neRoma, pakupedzisira, akamanikidzwa kuita apo Tigranes akapinda mudunhu reParthia reAdiabene muna 61. Kuratidzira kwakatsamwa kwegavhuna waro Monobazus, uye kukumbira kwake kudzivirirwa, hazvina kukwanisa kufuratirwa naVologases, ane mukurumbira uye masimba ehumambo aive panjodzi. Vologase nokudaro akakurumidza kuita chibvumirano nevaHyrcanians kuitira kuti asununguke kurwisa Roma, uye akashevedza magungano makuru ehumambo hwake. Ikoko akasimbisa pachena chinzvimbo chaTirado Parthia samambo weParthia nekumutsiva nekumudzosera nedhiadhesi.
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