Is “On his deathbed, Sun Ce entrusted internal affairs to Zhang Zhao.” true?
attested in history
According to the Records of the Three Kingdoms, Book of Wu, Biography of Zhang Zhao, Pei Songzhi's annotation quotes the Wu Calendar, recording that Sun Ce told Zhang Zhao, 'If Zhongmou (Sun Quan) cannot handle affairs, you should take over yourself.'
Zhang Zhao
In official history, Zhang Zhao was a steadfast and outspoken minister who aided the Jiangdong regime; in the novel, he is often portrayed as a scholar who advocated surrender.