What statement offers the most complete analysis of the decline of the Han dynasty?
A. Migrations of Germanic people from the north; lack of citizen participation in government; unemployment due to excessive numbers of slaves.
B. Attacks by militarily superior horse-mounted steppe tribesmen equipped with strong bows; regional political rivalries taking advantage of a weak central government; diseases/plagues devastating the populations of major cities.
C. Attacks by militarily superior horse-mounted steppe tribesmen equipped with strong bows; internal revolts due to increased taxes and weakening central authority; weak emperors and corrupt bureaucracy.
D. Disruption of trade networks by well-equipped tribesmen from the steppes; exhaustion of local agricultural lands due to overfarming; decline in the available number of slaves due to military defeats and slave revolts.
Answer: C