Answer:
the north got a lot more factories and started to produce a lot of goods that were needed all over.
The answer to this question is tribes
The significance was that these allowed goods to be transported much faster than by horse. Canals allowed for things to be imported and exported much more easily.
Answer: The Song Dynasty had a large reliance on the scholar gentry class, while the Tang had very little reliance on it. The Song Dynasty didn't expand much while the Tang expanded to practically modern borders. The Tang Dynasty and the Song Dynasty both lasted about 300 years
Explanation: i dont know if that is right