Original sentence: Mantinea is a city in central Pelopponesia that was the site of two significant battles in Classical Greek history.On one side were Sparta and its remaining allies, and on the other were Athens, its allies, plus the cities that had revolted against the Spartans.The battle turned into a rout of the Athenian and allied armies, a result attributed to greater Spartan courage.The first battle of Mantinea, in 418 BC, was the largest land battle of the Peloponnesian War.The second battle of Mantinea, in
Edited sentence: Mantinea was the battle, the largest land battle fought in the Pelo War, fought between the Spartans with their remaining allies, and Athens with their allies plus the cities that had revolted against the Spartans.The battle turned into a route of the Athenian allied armies, as Spartan courage and willpower proved too much for the 'soft' Athenian armies