Analyze the advantages and disadvantages and characteristics of the ancient local administrative system! urgent

The local administrative system in ancient China was characterized by the continuous strengthening of centralization.

Advantages: Centralization promotes the formation and development of a unified multi-ethnic country, consolidates national unity, creates conditions for feudal economic development, and is also conducive to national integration.

Disadvantages: In the late feudal society, with the germination of capitalism shaking the foundation of feudal rule, centralization became more powerful and reactionary, which seriously hindered the progress and development of China society.