In 1916, the National Institution for Moral Instruction had a contest to see who could come up with the best morality code. For kids. Evolving views on childhood, child labor laws, patriotism, and eugenics influenced this effort.
Research:

Behind the Scenes Minis: Serving Lip and Ethics
26:19

James Braid, Surgeon and Father of Hypnotism
43:36

Gladys Bentley
40:09