Answer
Dong Zhuo, a ruthless and ambitious warlord, held Emperor Xian hostage during the turbulent late Eastern Han dynasty in China. Seizing control of the capital Luoyang, Dong Zhuo manipulated the emperor as a puppet to consolidate his power and influence over the imperial court. His tyrannical rule and oppressive policies triggered widespread unrest and resentment, setting the stage for future conflicts and the eventual collapse of the Han dynasty.