What are the similarities between the ends of the roman empire and han china?

Similarities:

The fall of Rome and Han China were alike because both of their governments had become corrupted.
● Han bureaucracy officials had become very self-indulgent.
● In Han, assassinations to obtain higher ranking positions obscured within the government.
● Rome's upper-class officials sought pleasure and ignored their duties as a leader.

The fall of the Roman empire and the Han dynasty were similar because both experienced social unrest during their collapse.
● The corruption of government officials caused Roman citizens to become angry and riot.
● The result for bad government officials in Han caused the Yellow Turban Revolt, also known as the Yellow Scarf Rebellion.

The fall of Rome and Han China were also similar because they both faced nomadic invasions that greatly contributed to their decline.
● The nomadic Xiongnu, later forming another nomadic tribe called the Huns, invaded and attacked Han China, after it could no longer afford to pay tribute to them; this ultimately caused the dynasty to come to and end.
● A battle between the Romans and the Visigoths rendered the Roman empire defenseless, allowing the nomadic Germans to take over the empire.

The answer would be a