Women Of Troy Question(s)

[Anne Boleyn]

Hey guys!

so i was wondering what  torches symbolize in trojan women which appear  during cassandra's "wedding ceromony" during the third episode  and also in the exodos when the Greek soldiers are carrying them.

also, can someone please interpret to me why Cassandra is so happy when she is about to get married to Agamemnon, is it just the sweetness of revenge ( as she knows what will happen to him) or is it something more like honour or traditon ??

Thanks in advance