Who were the sea people who invaded ancient Egypt, what happened to them after the Egyptians defeated them and what kind of weapon did they use?

by kingofthehill5
Hitlers_Oven

http://www.reddit.com/r/AskHistorians/wiki/antiquity#wiki_sea_peoples.3A_who_were_they.2C_where_did_they_come_from.3F

Edit: credit to /u/Searocksandtrees