C. After Reconstruction, more blacks moved back into the South
Answer:
1.To provide the legal and social framework
2.to maintain competition
Explanation:
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
