The Book of Mormon has both obvious 19th century influences and anachronisms as well as very strong evidence for having ancient origins. The Expansion theory, introduced in an article by my father in 1987, looks at all the evidence and tries to come up with a solution that preserves both. I wanted to find out the nuances of the view and see if it still held up. Enjoy!
Links:
Original Article: https://www.dialoguejournal.com/wp-content/uploads/sbi/articles/Dialogue_V20N01_68.pdf
Update: http://www.timesandseasons.org/harchive/2005/04/updating-the-expansion-theory/
Response to Criticism: blakeostler.com/docs/criticexpansionth.pdf