'Best' is an elusive word when applied to human endeavour over a period of time. Each had its merits and demerits, and other citt-states such as Corinth and Thebes overshadowed them both at different periods.
The city-state of Athens and its allies were defeated by Sparta in the Peloponnesian War.
It is a city state
Athens
Athens because Sparta's didn't have good development.
In ancient times, Sparta was the leading rival of Athens
Sparta.
Sparta.
Athens.
Athens
Athens
Athens
only sparta.