The Emergence of Literature on Child Rearing in the 19ᵗʰ

The emergence of literature on child rearing in the 19ᵗʰ century is related to

A) growing concern about the negative effects of urbanization on children.
B) the increasing involvement of fathers in day to day care-giving.
C) the growing child-centeredness of family life.
D) alarm about mounting evidence of the association between mental illness and strict parenting.