Dimitri’s Reviews > Byzantium: The Surprising Life of a Medieval Empire > Status Update

The efforts of Cyril & Methodios, were thus brought to a successful [postmortem] conclusion... Through a political manoeuvre designed to reduce Roman influence over Bulgaria, Basil I made sure that the empire would secure an orthodox ally on uts western border.

A step in the right direction to buffer or allign the Slavs, while butressing Islam in eastern Anatolia.