The correct answer would be the choice A
A. The battle of Salamis took place during the Persian wars.
B. Xerxes never expected such resistance when he entered Greece, that means he never expected them to unite against him. Actually, he thought they would simply surrender when they saw the size of his army.
E. This is probably the most famous battle of the Greco Persian wars.
So the answer is
A.
B.
E.
I believe the most recent ice age ended nearly 11,700 years ago, but began nearly 2 million years ago.