Empress Lü Zhi
Even after Emperor Gaozu (Liu Bang)'s victory over Xiang Yu, there were still unstable areas in the empire, requiring the new government to launch military campaigns to pacify these regions thereafter. Gaozu placed Empress Lü Zhi and the crown prince Liu Ying (Lü Zhi's son) in charge of the capital Chang'an and making key decisions in court, assisted by the chancellor Xiao He and other ministers. During this time Lü Zhi proved herself to be a competent administrator in domestic affairs, and she quickly established strong working relationships with many of Gaozu's officials, who admired her for her capability and feared her for her ruthlessness, after the war ended and Emperor Gaozu returned, she remained in power and she was always influential in many of the country's affairs.