When was Ireland Christianized?
Which European country continued to invade Ireland for years?
Know that "many monks were vernacular poets" as well as Christian poets.
Fili and Filid (plural).
Know that the monks and filid's "cultural prestige and preservation of ancient learning continued, even as their religious and quasi-magical activity dwindled."
Who is the figure being addressed in To Crinog? What kind of archetype is she? How else do such archetypes (in the form of Scathach, for example) act in the Irish myth?