How did Persia become involved in the Peloponnesian Wars?

Athens helped defeat the Persian invasion at the Battle of Salamis, a major setback for Persia. Later, Persia supported Sparta during the Peloponnesian War, helping Sparta build a navy to fight Athens. The correct choice is “Athens had defeated Persia at the Battle of Salamis, so Persia supported Sparta.”

AI-written and checked against the verified answer.