Sophia Alekseyevna seized power in Russia after the death of her father, Czar Feodor III, and became regent during the minority of her disabled brother, Ivan V, and her half-brother, Peter I. She brutally eliminated her opponents and ruled dictatorially with her lover, Vasily V. Gallitzin. She aspired to be crowned czarina, but lacked support from the nobility and clergy. When it was rumored that she intended to kill Peter to become sole ruler, he overthrew the regency and confined her where? Discuss
Source: The Free Dictionary