Final answer:
The Han dynasty reached its greatest extent around 87 BCE under the rule of Emperor Wui.
Step-by-step explanation:
The fact about the Han dynasty is that it reached its greatest extent around 87 BCE under the rule of Emperor Wui. During the Han dynasty, the Chinese state organized a proper bureaucracy, made Confucianism the official philosophy, and took charge of society and economic activities. They also developed caravan routes that connected China with Central Asia and India.