C715 Hanzhong Strategy
Cao Cao ordered to dig a trench outside the Military Stronghold of the Jiangdong Army of Shu County and the outside of the city to prevent the exchange of information between the two armies.
forty thousand Cao's Army had dug a deep trench during the day, and at night, the Jiangdong Army had scuttled out like a night mouse, forcefully filling up the trench. On the second day, when they woke up