There was no slaughter – after three days blocking the Persian advance at the pass at Thermopylai, the Greek force was withdrawn.
order now
There's a specialist from your university waiting to help you with that essay.
Tell us what you need to have done now!
order now
The Spartan and Thespian contingents stayed behind to cover the withdrawal and died in the process.
This was a noble sacrifice by the two contingents, but was not specifically a reflection of Greek values – the Persians also showed great courage in the course of the battle.
Courage in battle (and cowardice) are universal traits.