Which statements accurately describe the persian wars?

choose all answers that are correct.

a.
the athenian fleet defeated the persians at salamis.

b.
xerxes thought he could conquer greece because the city-states would not unite.

c.
athens was destroyed by the persians and never regained its strength.

d.
the greeks attacked persia because darius captured sparta's king.

e.
the spartan king, leonidas, saved greece by delaying the persians at thermopylae.