Three towns of Heshuo

In the middle and late Tang Dynasty, the three towns in Hebei were powerful, so why could they not overthrow Li Tang and establish a new dynasty?
Li Tang Three towns of Heshuo New Dynasty Anshi Rebellion Tian Chengsi
01-12
After the Anshi Rebellion, a hidden danger has not been solved for more than 150 years
Anshi Rebellion Tang dynasty Three towns of Heshuo The town of Domain was divided Li Baochen
01-10
Did Datang die because of the town?
Tang dynasty Phan Town Yellow Nest Uprising Three towns of Heshuo The town of Domain was divided Anshi Rebellion
12-31
At the end of the Tang Dynasty, what was the reason for the overpowering of the salt merchant Huang Chao, which eventually led him to the road of rebellion
Yellow Nest Uprising uprising Wang Xianzhi Tang dynasty Three towns of Heshuo Gao Xianzhi
12-19