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:
They were both concerned about Russia because it was a large and influential country
Some ways that slaves resisted slavery was by rebelling, being less productive at work, stealing from their owners, and sometimes actually harming their owners (or just other white people). The slaves demonstrated a sense of semi-independence or self- worth through having their own subculture with their own unique music, having a religion and their own churches to tie them together, as well as celebrating their African roots and traditions. Slave masters allowed some of these behaviors so as to avoid their slaves becoming really aggressive towards them, as well as giving the slaves some "freedoms" encouraged and motivated slaves so they didn't get too hostile.
The soil, because it was rich for farming and it was right next to the mississippi river.