How did two brothers, Cyril and Methodius, succeed in bringing Christianity to the Slavs, people who lived in Eastern Europe?

Cyril and Methodius, were two missionaries, brothers from Thessaloniki,who popularized Christianity among the Slavic peoples.

Such was their influence that they are now known as the “Apostles to the Slavs”. ... When Cyril returned to Constantinople,he taught philosophy at the University.

what are local authorities doing to fix the problem

explanation:

the main concern with the first draft of the articles of confederation was too much power in the state governments.