Qin dynasty: the establishment of emperor system (imperial power is supreme-rights are inviolable; Inheritance of the throne-status cannot be transferred); burning books and burying Confucian scholars alive

Western Han Dynasty: Shu formulated courtiers to strengthen imperial power, and "ousted a hundred schools of thought and respected Confucianism" to strengthen ideological control.

Northern Song Dynasty: The three provinces and six departments implemented the right of quenching thirst by drinking poison, participating in the discussion of state affairs, transferring envoys from the Tang Dynasty, and separating powers.

Yuan dynasty: the military power was concentrated in the early stage, and the prime minister took power in the later stage, weakening the imperial power.

Ming dynasty: abolish the prime minister, set up three divisions and set up a cabinet.

Qing dynasty: following the cabinet system weakened the power of the Council of Ministers. Kangxi set up the south study room and Yongzheng set up the Ministry of War, and the absolute monarchy reached its peak.

This is probably it ~ ~