What national disaster most directly accounted for the population decrease in the middle states shown on the map above?

sumerians were responsible.

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

hope this !

brainliest?

1775 is your answer hope this