Which Dynasty Princess Is Better?

This is a map integrating the nine dynasties. Which of the nine unified dynasties is strong and weak: Qin, Qianghan, Jin, Sui, Tang, Song, Yuan, Ming and Qing? The First Emperor of Qin, Emperor Wu of the Han Dynasty, Emperor Ming of the Jin Dynasty, Emperor Wen of the Sui Dynasty, Emperor Taizong of the Tang Dynasty, Emperor Taizu of the Song Dynasty, Emperor Shizu of the Yuan Dynasty, Emperor Yongle and Emperor Yongzheng, the outstanding representatives of the nine dynasties. Who is the real emperor through the ages? This is a world where spiritual energy is abundant and people can practice and enlighten themselves. Who is the master of the mythical beasts among the four spirits: Qinglong, White Tiger, Xuanwu and Suzaku, and the four evil spirits Taotie, Taotie, Qiongqi and Chaos? This is a story about a clerk in a modern state-owned enterprise traveling through another world. The time-traveling young man Ji Bofu marries nine princesses at the same time, Princess Yangzi, Princess Wei Chang, Princess Nankang, Princess Lanling, Princess Jinyang, Princess Shenguo, Princess Miaoyan, Princess Changning, and Princess Huaike. The orchids and autumn chrysanthemums compete for beauty. Who is the true destiny of the male protagonist? Modern mathematics, physics, chemistry, history and other scientific knowledge collide with the traditional world, creating a different kind of spark. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.