Looking for the Tang Dynasty and the Song Dynasty

In the last years of the Tang Dynasty, natural and man-made disasters continued, vassal towns were at war with each other internally, and powerful enemies were invading externally. After a generation of powerful Huang Chao soldiers died in the Tiger Wolf Valley of Mount Tai, all the vassal towns looked at the ruined Tang court with eager eyes. The northern ogre army Caizhou Qin Zongquan gathered the remnants of Huang Chao, their military strength increased sharply, their territory expanded, and they were about to proclaim themselves emperor. Xuanwu Jiedu envoy Zhu Quanzhong and Shatuo Li Keyong were in power after the fire at Shangyuanyi. Wei Bojun, known as the "Emperor of Chang'an and the Yajun of Wei Mansion", is still worried about solving the problem of "arrogant soldiers will chase their commanders, and strong commanders will rebel"... At this time, Li Jun, the son-in-law of the He family in Guangzhou, originally wanted to embrace the three kings of Fujian and go south to control the Yangtze and Huaihe River basin, the economic center of the Tang Dynasty, but he did not want them to embrace Li Jun again...