Wu tongyu
2. Gunpowder was recorded in books of Song Dynasty. It was widely used in wars in Song and Yuan Dynasties, which was a major turning point in the history of human wars. When Mongolian cavalry fought against the nomads, the nomads used "earth-shattering" weapons.
3. Cai Lun
4. Su Shi
5. Northern Song Dynasty
Sichuan Province
Chinese dumpling
6. Qin dynasty
7. Poetry
8. printing. gunpowder
9. Legalists
10. Shang dynasty