How did East Asia develop between the fall of the Tang and 1200?

Answer 1

1. East Asia developed between the fall of the Tang and 1200 in that three new states emerged in the aftermath of the Tang and competed to inherit its legacy. The Liao Empire, pastoral nomadic people, the Tanggut state of the Minyak people, and the Chinese-speaking Song Empire. During the reigns of these three East Asian states, there was a development in the spread of Confucianism, Neo-Confucianism, Buddhism, the Southern Song Empire came close to an industrial revolution at their advances in technology, medicine, astronomy, and mathematics. They introduced fractions, used in lunar cycles, the seafaring compass, the junk, they increased iron production for military body armor, bridges and buildings, experimented with gunpowder resulting in advanced military tactics, used the moveable type to make printing cheaper, and developed intricate city systems involving new techniques in waste management, water supply, and firefighting, and developed the Tang idea of credit into "flying money".