Which of the Following Is Not a Reason for the Weakening

Multiple Choice

Which of the following is not a reason for the weakening and collapse of the Han dynasty?

A) Weak rulers who were dominated by court insiders.
B) A lack of and variety of crops for the people.
C) Powerful landed families who seized more control.
D) Conflict with the Xiongnu beyond the Great Wall.
E) Frivolous and depraved rules who failed to address needs of the kingdom.