One thing was that Seas were sometimes difficult to navigate which limited communication - D. this was already a factor which limited the possibility of one united Greece emergin because it made it very difficult to talk to these isolated islands that couldbe found through the difficult-to-navigate seas.
Another thing was that C - some city-states were located on isolated islands.
Answer:
coastal erosion, potential impacts of sea level rise, water quality deterioration, and sea water intrusion.
The first written language is cuneiform. Cuneiform marked the beginning of writing
Answer:
Economies begin to develop because people now had goods and services to trade.
