The Eastern Roman Empire and Sasanian Persia are presented as roughly comparable territorial powers, although the Romans may have possessed greater population and wealth. That balance altered diplomatic language because Persian kings could now be addressed as equals or brothers. The formula contrasts sharply with earlier Roman insistence on superiority over every outside nation. Yet recognition of Persian status did not extinguish Roman ambitions to restore former imperial territory. The passage helps explain why rivalry on the frontier combined hard military competition with careful acknowledgment of the other empire's standing.
Notable Point · 7:20-7:46
Rome treats Sasanian Persia as a diplomatic equal
The review highlights a sixth-century shift in Roman diplomacy, with the Persian king increasingly addressed as an equal even while emperors retained ambitions of imperial recovery.