Answer:
Sparta
-had a powerful army
-led the Peloponnesian League
-focused on military strength
Athens
-had a powerful navy
-led the Delian League
-introduced the concept of
democracy in government
Explanation:
Peloponnesian League, also called Spartan Alliance was a military coalition of Greek city-states led by Sparta, formed in the 6th century bc.
Sparta was leader of an alliance of independent states that included most of the major land powers of the Peloponnese and central Greece, as well as the sea power Corinth. Thus, the Athenians had the stronger navy and the Spartans the stronger army.
