Question

factors leading to collapse
han china
raids from northern nomadic tribes
series of weak and ineffectual hereditary rulers
rome
power was divided among four leaders
plague caused a shortage of labor in the military and civilian workforce
which answer choice was a cause of the collapse of both societies?
the emperors each handed power to a warlord
religious teachings made society less warlike
breakdown of infrastructure destabilized both regimes.
intense conflicts weakened the empire.

Explanation:

For Han China, raids from nomadic tribes were conflicts, and for Rome, power - division and plague - related issues also led to internal and external conflicts. Intense conflicts weakened both empires. There is no mention of emperors handing power to warlords for both, no indication of religious teachings making society less warlike, and no mention of infrastructure breakdown in the given factors.

Answer:

Intense conflicts weakened the empire.