How is the Geography of Ancient Greece similar and/or different than the River Valley Civilizations we have studied (Mesopotamia, Egypt, Indus, India, China)?

Just think, why was it effective? -it appeled to critics because it was written well, that made it noticeable to the public including the white population-it was also recognizable to the african americans because it was about their heritage.-it was powerful just keep finding more points and elaborate on them. message me if you need more