I want to ask a question from the Three Character Classic

Xiang Yixun said that in the prosperous Xia Dynasty, there was Yu, Shang, Tang, Zhou Wenwu, and the three kings, Xia, passed on their sons to the world. 400 years later, it was moved to Xia society. Tang attacked Xia state and named it Shang. 600 years later, it was Zhou Wu who killed Zhou. Eight hundred years, the longest time, Zhou Zhe, the eastern king, Wang Gang, fell into the war and still lobbied, starting from the Spring and Autumn Period and ending in the Warring States Period Five tyrants and seven heroes came out of Ying, and the Qin family began to annex. The second generation of Chu and Han fought for Gaozu to establish the Han industry. When Wang Mang usurped Guangwu and made it the Eastern Han Dynasty for 400 years, he finally presented Shu, Wei and Wu to fight for the tripod of Han Dynasty. From the Three Kingdoms to the Eastern and Western Jin Dynasties, the Song and Qi dynasties followed the Liang and Chen dynasties as the capital of the Southern Dynasties, Jinling, the Northern Yuan and Wei divided the east and west. Yuwen Zhou and Gao Qi were no longer lost in the Sui Dynasty. Tang Gaozu's uprising division After the Sui Dynasty, the foundation of the country was established twenty years ago. After three hundred years, the country was destroyed by the Liang Dynasty, and then it was changed to the Liang, Tang, Jin, Han and Zhou Dynasties. It is said that the Five Dynasties all had emperors from the Yan Dynasty, the Song Dynasty, and the Zhou Dynasty. The Yuan Dynasty destroyed the Jin Dynasty, and the Song Dynasty ruled China and Rong Di for 90 years. The country was abolished by Taizu and the Ming Dynasty was revived. The capital of Hongwu, Jinling. Emperor Chengzu moved to Yanjing for the 17th time. Emperor Chongzhen's eunuchs and bandits were like forests. To Li Chuang's divine weapon, the burning of the Qing Taizu, the order of the Qing Dynasty, the pacification of the four directions, and the victory of Dading, all the 21 histories are here. What do these three character scriptures mean?