How did Taizu's policies aim to prevent future military coups?

To prevent future military coups and consolidate central authority, Emperor Taizu implemented a series of strategic reforms that shifted power from military commanders to a centralized civil bureaucracy.12

His key policies included:

• Centralizing Military Control: Taizu transferred the most elite troops to the capital under his direct command. He systematically reduced the power of regional military governors by replacing them with civil officials.12
• Retirement of Commanders: Rather than executing powerful generals, he skillfully persuaded them to retire in exchange for honorary titles, sinecure offices, and generous pensions.12
• Checks and Balances: He divided administrative authority among three ministers—responsible for fiscal, military, and general affairs—who reported directly to him. By delegating military supervision to civilians, he ensured that no single official or commander could amass enough power to threaten the throne.12
• Bureaucratic Reform: He strengthened the civil service examination system to ensure that government positions were filled by officials based on merit rather than military background or hereditary influence.1

These measures successfully ended the era of frequent military usurpations, though some historians note that these safeguards may have weakened the Song military's ability to defend against foreign invaders.12