The text is not appearing for me it might just be a glitch but i can’t see
Answer:
C. Trading a computer for a smartphone.
An effect of the decline in trade after the fall of roman empire is : There was a shift to a rural society
after the fall of roman empire, more and more people have ownerships over their land and buildings ( previously it all belong to the empire)
hope this helps
nothing to drink, for cattle and humans, it’s hard to plant anything without water(sorry if I didn’t help)