“Critics have hypothesized that the parochial contraction of horror fiction’s concerns in the post-war years was due to the war’s traumatizing revelation of a human capacity for evil that superseded any imaginable in supernatural fiction” (Dziemianowicz, 1999, p.201).
Dziemianowicz, S. (1999).Contemporary Horror Fiction, 1950-1998. In Barron, N. (Ed.), Fantasy and horror: a Critical and historical guide to literature, illustration, film, TV, radio, and the internet (pp. 199-343). Lanham, MD: Scarecrow Press.
For definitions of parochial, consult the Oxford English Dictionary.