Galla Placidia vs Guo Jia

During the Sack of Rome by Alaric's Visigoths, Galla Placidia was taken captive. She was held as a hostage and later married to the Visigothic king Athaulf in 414, becoming queen of the Visigoths.

After the death of Emperor Honorius, Galla Placidia returned from exile in Constantinople. She became regent for her young son Valentinian III, effectively ruling the Western Roman Empire from Ravenna for the next twelve years.

As regent, Galla Placidia became embroiled in a power struggle with the general Bonifacius, Count of Africa. Her actions contributed to Bonifacius's rebellion and the subsequent Vandal invasion of North Africa, weakening the Western Empire.

Galla Placidia commissioned a mausoleum in Ravenna, decorated with some of the finest surviving examples of Early Christian Byzantine mosaics. The structure became a UNESCO World Heritage site and a key monument of late Roman art.

Guo Jia presented the 'Ten Advantages and Ten Disadvantages' analysis, arguing that Cao Cao had the strategic edge over Yuan Shao. He also predicted Yuan Shao's indecisiveness and the eventual betrayal of his subordinates, contributing to Cao Cao's victory.

Guo Jia advocated for a swift campaign against the Wuhuan tribes in the north, despite the risks of a long march. The campaign succeeded, eliminating a threat to Cao Cao's rear and securing his northern frontier.

Guo Jia fell ill and died at the age of 37 during the return from the Wuhuan campaign. His early death deprived Cao Cao of a key strategist, and Cao Cao later lamented that Guo Jia's absence contributed to the defeat at Red Cliffs.