What is the term for the communities that rejected the liturgical and textual reforms introduced by Patriarch Nikon in the mid-17th century, leading to a lasting schism?

• A Uniates
• B Dukhobors
• C Old Believers ✓
• D Molokans

The Old Believers (старообрядцы) split from the official church after the Raskol (Schism) of the 1660s; they faced persecution for centuries and preserved pre-Nikonian rituals including the two-fingered sign of the cross.