The correct answer is: D: The Peloponnesian War was fought between Athens and Sparta. It was ancient Greek war fought from 431 to 404 BC, between Athens and its empire and Peloponnesian league led by Sparta. The Peloponnesian war brought huge changes in ancient Greek world. Namely, Athens, the strongest city-state before the war, became weak and devastated, while Sparta became the leading power of Greece. There were also big poverty in Peloponnese world as a result of this conflict, and conflicts became the common thing in the following decades.
