Which statement best describes the battle of thermopylae?

Three hundred Athenians famously fought to the death.
The Spartans evacuated, and the Persians burned their city.
The Greek navy defeated King Darius I at sea, ending the threat.
The Spartans worked to stop a second Persian invasion of Greece.

It was when the Spartans worked to stop a second Persian invasion of Greece

It’s a and your welcome