Answer:
I would focus on how one of the empires lasted for nearly 2 millennia (if you count Byzantium as Rome), and how the other fell apart very soon after the empire’s namesake “Alexander” perished.
Explanation:
D, Intimidating The Two Empires With The Use of Guns And Horses Because, They Didn't Have Guns Then. They Didn't Have Technology Or Anything Like That At All. Hope I Helped