Conquer the Sui Dynasty and Dominate the Tang Dynasty

At the end of the Sui Dynasty, the world was in chaos, peasant riots occurred one after another, and wars continued. Reckless heroes and frontier officials started to take action one after another, aiming for hegemony, and a chaos of competition in the Central Plains emerged again. ~~~ The old time travel... The old time travel story... Is it to turn the tide and protect the Sui Dynasty from falling? Is it to follow the general trend, separate one side, and choose the opportunity to dominate the world? If you want to know more details, please read on... (Friends who are interested in the Sui and Tang Dynasties can join the group: 9696358 to communicate together)