Answer:
The answer is glass.
Explanation:
That the Mycenaean civilization had trading contact with other Aegean cultures is evidenced by the presence of foreign goods in Mycenaean settlements such as gold, ivory, copper and glass and by the discovery of Mycenaean goods such as pottery in places as far afield as Egypt, Mesopotamia, the Levant, Anatolia, Sicily, and Cyprus.
Hope this helps!!
Nothing really. the war was already over but the troops from both sides didn't find out until after the battle. I guess it just saved the city from being destroyed.