What prompted Darius I to lead a Persian invasion of Greece? Choose

Themistocles trapped and destroyed the Persian navy at Salamis.
Dozens of Spartans fought the entire Persian army at Thermopylae.
Persia supported Sparta against Athens in the Peloponnesian Wars.
Athens supported a revolt of Ionian Greeks against the Persian governor.

1 answer

Athens supported a revolt of Ionian Greeks against the Persian governor.