Climate change that caused a severe drought.It is also theorized that the Hittite's cities were destroyed by earthquakes.
There was a need for cheaper routes along the Mediterranean and the east was becoming tumultuous.
Hello! I believe it was found on Protestant/Catholic belief. Not exactly Christian. I might be wrong though. There was a bunch of drama about it so the answer might vary.
Answer:
https://www.sparknotes.com/lit/odyssey/section8/
Explanation: Odyssey Books 15 - 16, i think thats where you'll find it. (Copy and Paste)