Which statement expresses a fact about the Han dynasty? A. There wasn't much the Han emperors could do to save their empire —
the Han dynasty's collapse couldn't be avoided.
B. Emperor Wu was unable to control his empire, and his rule alone caused
the Han dynasty to fall apart.
C. The Han dynasty was the most important empire in Chinese history.
D. The Han dynasty reached its greatest extent around 87 BCE under the
rule of Emperor Wui