Great Tang: I Can Trade with a Thousand Years in the Future

In the early Zhenguan era, the Tang Dynasty was beset by turmoil. That year, Gao Ming transmigrated and became Li Chengqian, Crown Prince of the Tang Dynasty! By chance, he discovered he could travel between the Tang Dynasty and the modern world! What did the Tang Dynasty lack most? Food! Easy. Sell a single Tang sancai ceramic bowl in the modern world, and the proceeds would be enough to feed the people of several prefectures and counties! What caused the most trouble in the Tang Dynasty? Natural disasters! Easy. With the technological advances made over a thousand years later, solving the Tang Dynasty's disasters would be a piece of cake! What was the Tang Dynasty's biggest headache? Foreign tribes! Easy. As Crown Prince, I, Li Chengqian, must make the Tang dragon banner fly proudly across the world. Wherever it goes, all shall submit to the Tang Dynasty!