What were the measures taken by Emperor Wu of Han to consolidate unification? How did they work?

1) the establishment of the central court (the inner court: Shangshudai): the decision-making body of the court; the outer court (the prime minister as the head of the three principal officials and nine ministers of the institution): gradually become the executive body; purpose: in order to weaken the power of the phantom power, to strengthen the power of the emperor. (Although the three dukes, the affairs of the cabinet)

② set up the assassin: a lowly and powerful, on behalf of the central government to monitor the local (including the vassals and local senior officials). (But in the Eastern Han Dynasty, the assassins gradually evolved into local administrators above the counties.)

3 Pui En Order: strengthened centralization and solved the problem of vassal states.

Results

Consolidation and development of unification, and promotion of socio-economic development; however, too much centralization of power also brought some drawbacks, most of the emperors in the late Eastern Han Dynasty were young and weak, and the relatives and eunuchs were in conflict with each other, which led to a long period of political turmoil.