The Athenian empire versus an alliance we call the Peloponnesian League - a coalition of city-states mainly from the Peloponnesian Peninsula led by Sparta.
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A struggle between the Athenian empire/league and the Spartan-led Peloponnesian League.
A struggle between the Athenian empire and the Peloponnesian League led by Sparta.
A contest between the Athenian empire and the Peloponnesian League led by Sparta, with Athenian expansionism facing Peloponnesian determination to give no further ground to it.
Athens' expansionist activities were opposed by the Peloponnesian League headed by Sparta. Continuing Athenian pressure on cities outside its empire resulted in a series of clashes which led to war between the two power blocs.
The Peloponnesian War (490 B.C.) destroyed the Athenian Empire.
Pericles' decision to attack Sparta
It ran for 27 years between the Athenian empire and the Peloponnesian League led by Sparta 431 to 404 BCE.
Pelopponesian war, fought between Sparta and her alllies, and the Athenian Empire
The Athenian empire was stronger at sea, the alliance led by Sparta was stronger on land.
The Peloponnesian League, led by Sparta, defeated the Athenian league/empire.