What was the main cause of the schism in the Russian Orthodox Church during Alexis' reign?
Liturgical reforms
Iconoclasm
Papal authority
Monastic disputes
Answer
The main cause of the schism in the Russian Orthodox Church during Alexis' reign was the implementation of liturgical reforms. These reforms, supported by Alexis and Patriarch Nikon, were unpopular among the population and led to significant unrest.
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