The sea peoples were said to have been a confederation of raiders made up of a Sardinians, Mycenaeans, native anatolians, Sicilians, and possibly people from the Iberian coast, why did they decide to form this confederation and how did it form?

by WhatULookinAtfoo

hillsonghoods

There's always room for more to say on this topic, but I highly recommend the section of the AskHistorians FAQ about the Sea Peoples, featuring an AMA with Eric Cline, the author of a book on the topic, and excellent answers by /u/kookingpot and /u/bentresh.