I, Li Chengqian, Help Li Er Become a Global Talker

[Historical Imagination], [Emperor Master System], [Iron-Blooded Tang Dynasty] Li Mo, modern people's teacher, Unfortunately, he drowned while rescuing a child who fell into the water. When he opened his eyes again, he traveled through time and became the prince of the Tang Dynasty, Li Chengqian. This is the ninth year of Wude, The Turk Jieli Khan led a large army to the Wei River. Approaching Chang'an, Li Shimin was forced to go to the Weishui River to negotiate in person. The humiliating "Wei River Covenant" is about to be signed. At the critical moment, a mechanical sound sounded in Li Mo's head—— The "Emperor Master System" is officially activated. The main mission is: assist Li Shimin in building Datang into an ideal country until he succeeds to the throne. Once the mission is completed, you can return to modern times to reunite with your family. ............