A Fundamental Difference Between the Roman Empire and China's Han

A fundamental difference between the Roman Empire and China's Han Empire was that the

A) Roman Empire was based upon manufacturing and the Han Empire upon agriculture.
B) Roman Empire had emperors but the Han Empire was ruled by viceroys.
C) essentials of the Han Empire were replicated by later dynasties but the Roman Empire disappeared except as an idea.
D) family played a less important role in Han China than in the Roman Empire.
E) Roman Empire lasted for centuries while the Han Empire only survived for three decades.