Question

Classical civilizations developed _____, whereas early river valley civilizations did not.

Answer 1

@sleepyjess @uChezzy @HelpOfTheGods

Answer 2

@phi

Answer 3

Do they say what they mean by "classical civilizations" ?
I would *guess* the answer is vast empires (which is what Rome did)
but it depends on your definition of vast, as Egypt controlled a large region along the Nile River.

Answer 4

oh i see ill go vast empires

Answer 5

with*