What are ways that Wudi changed the political the structure of china list two ways?

Wudi, the Emperor of the Han Dynasty, significantly changed China's political structure by centralizing power and expanding the imperial bureaucracy. He established a merit-based system for selecting officials, promoting Confucian ideals, which helped create a more educated and capable administrative class. Additionally, Wudi expanded the empire's borders through military conquests, enhancing the state's authority and control over newly acquired territories.