Question

what was a primary reason for the fall of the han empire in china? *
the rise of the mongol empire
natural disasters that wiped out agriculture
pressure from nomadic tribes and internal revolts
invasion by the roman empire

Explanation:

The Han Empire fell mainly due to pressure from nomadic tribes like the Xiongnu on its borders and internal uprisings such as the Yellow Turban Rebellion. The Mongol Empire rose much later. There is no evidence of Roman Empire invasion, and while natural - disasters could have had an impact, the main factors were external and internal political - military unrest.

Answer:

Pressure from nomadic tribes and internal revolts