The peloponnesian war lasted for almost?

The Peloponnesian War lasted for almost thirty years. The war took place from 431 BC until 404 BC. 

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