compare and contrast the chinese goverment bureaucary under the tang and song dynasties.how did it differ

The Chinese government bureaucracy during the Tang and Song dynasties shared some similarities but also had some key differences.

Similarities:
1. Both dynasties had a centralized bureaucratic system that relied on a merit-based examination system to select officials. This system, known as the imperial examination system, allowed individuals to rise through the ranks based on their knowledge and skills rather than their noble birth.

2. Both dynasties were characterized by a large and complex bureaucracy with numerous government offices and departments responsible for various functions such as taxation, law enforcement, and public works.

Differences:
1. The Tang dynasty had a more decentralized system of government compared to the Song dynasty. The Tang empire was divided into several regional military governors known as jiedushi, who held significant power and autonomy. In contrast, the Song dynasty implemented a more centralized system with powerful central officials controlling most aspects of government.

2. The Tang dynasty placed a greater emphasis on military and conquest, leading to a larger military bureaucracy compared to the Song dynasty. Additionally, the Tang dynasty relied more heavily on military officials to govern the empire, while the Song dynasty favored civilian officials.

3. The Tang dynasty's bureaucracy was known for its corruption and inefficiency, resulting in frequent rebellions and instability. In contrast, the Song dynasty's bureaucracy was generally more efficient and less corrupt, leading to a period of relative stability and prosperity.

Overall, while both the Tang and Song dynasties had centralized bureaucracies based on meritocracy, the Tang dynasty had a more decentralized system with a focus on military expansion, while the Song dynasty had a more centralized system that emphasized civil administration and stability.