It would have to be 27 BC when Octavian becomes Emperor.
I would say answer number 4
THIS IS 100% correct! *change is an underlying theme to understanding expansion and encounters through history.* I got this wrong on Odyssey ware by listening to everyone else, came back to prevent this from happening again.
The Eddas are a collection of old norse poetry. That is something the church would not have used to influence medieval society.