I am going to go ahead and say that your answer is C because regions can end for many reasons and most of which I'm certain of which are affected by the physical characteristics of the region.
I hope that this helps. :)
Answer:Athens
Explanation: nearly everyone in Ancient Greece agreed that Sparta had by far the best army. Athens by far, had the best Navy of all the Ancient Greek city-states
Confederate troops fired at union troops in fort sumpter in charleston south carolina in april 1861
Answer: it was petrified wood that was used and mixed with the sand and water which turned it into a hard stone type substance
Explanation: was used in the stone age
The answer should be b. Produced a new set of laws governing them