The decline of both the Han Dynasty and the Roman Empire were a slow process. What of these factors was a catalyst for the decline of both these great powers?

political infighting, child emperors, puppets, economic downturn, diseases, and etc,

Explanation:

Decline of Roman empire

-Invasions by Barbarian tribes

-Economic troubles and overreliance on slave labor

-Overexpansion and military overspending

-Government corruption and political instability

Decline of the Han dynasty

-Taxation

-The Yellow Turban Revolt

-Bad rulers

- Decline of imperial power

I hope this helps!

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

the answer is b.india