Russia’s assault on Ukraine unfolded along military, economic and diplomatic lines. Vladimir Putin’s Moscow also is waging a less-noticed war on Ukraine’s religious sovereignty. To understand this, look at the structure of Eastern Orthodox Christianity. The church consists of 14 autocephalous, or self-governing, churches. Religious and national identities often overlap, as in the Orthodox Churches of Russia, Romania, Bulgaria and Georgia. Each national church falls under a particular patriarchate, and the ecumenical patriarch of Constantinople is considered first among equals.

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