At the Battle of Thermopylae, the Greeks were able to defeat the Persians by… Incorrect answer: stalling the Persian army while Spartan ships destroyed the Persian navy. stalling the Persian army while Athenian ships destroyed the Persian navy. , Not Selected stalling the Spartan navy while Athenian ships destroyed the Spartan army. , stalling the Spartan army while Athenian ships destroyed the Spartan navy.