Grand Confucian of the Early Tang Dynasty

After the Shang Dynasty, there was no longer a Human Emperor! Why did the Zhou Dynasty call themselves the Son of Heaven? Were there immortals in ancient times, and what did they look like? Qin Shi Huang burned books and buried Confucian scholars! Who did he kill? And how much historical truth did he bury?

Overlord Xiang Yu, 8,000 against 100,000,

Zhao Zilong's seven in and seven out at Changban Slope,

Why did military generals become weaker generation after generation?

The Hundred Schools of Thought, what did they pass down?