Question

The fundamental cause of the Peloponnesian War was __________.

Rome's attempt to expand into Greece
Sparta's fear and jealousy of the power and wealth of Athens
Alexander the Great's conquest of the Persian Empire
Athens's fear of Sparta's growing empire in Greece

Answer 1

The fundamental cause of the Peloponnesian War was "Sparta's fear and jealousy of the power and wealth of Athens" since Athenian Growth was reaching new and militarily-threatening levels.