Tsarina refers to the empress as the wife of a tsar, not a ruling empress. She attended the ball as the new tsarina, admired by all.
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Historical Context
Tsarina is no longer used; it's tied to pre-1917 Russian monarchy. The palace where the tsarina once lived is now a museum.
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Ceremonial Role
A tsarina often had significant influence in court, albeit with less formal power than the tsar. The tsarina hosted lavish events to showcase Russian culture.