Fault: Romeo also didn't work hard enough to restrain Mercutio
Description: Tybalt and Mercutio draw and fight out their swords. Romeo moves in between them to avoid the fighting and Tybalt stabs Mercutio under the arm of Romeo. Mercutio's wound is fatal and he dies screaming "A plague o ' your two homes!" Blinded with rage over the death of Mercutio, Romeo hits Tybalt and kills him.
Answer:
The Byzantines sent wave after wave of christian missionaries to the Slavic lands, which sorrounded the Byzantine Empire.
Two of the most important missionaries were Saint Cyril and Saint Methodious. They were brothers, and converted many slavs to Orthodox Christianity, specially those living in Moravia. They also invented the cyrilic alphabet to give a script to the Slavic languages, and help spread christianity faster. Hence the name of the alphabet.