How did Augustus Caesar establish pax romana?

Augustus Caesar established Pax Romana, or Roman peace, by implementing a series of political and social reforms that stabilized the Roman Empire following years of civil war. He centralized power, becoming the first Roman emperor while maintaining the facade of the Republic, which helped gain public support. Augustus also reformed the military, establishing a professional standing army and securing borders, while promoting trade and infrastructure development, fostering economic prosperity. These measures collectively contributed to a long period of relative peace and stability throughout the empire.