According to Henrich's (2004) Mathematical Model, What Happened to Cultural

According to Henrich's (2004) mathematical model, what happened to cultural knowledge in the case of eighteenth-century Tasmania?

A) Cultural knowledge initially deteriorated due to an influx of outsiders into the population that diluted it; however, cultural knowledge later increased from population diversity.
B) Cultural knowledge deteriorated due to malnutrition, which reduced the neocortex ratio.
C) Cultural knowledge deteriorated due to immigration, which created confusion as to what qualified as cultural knowledge.
D) Cultural knowledge deteriorated because of population shrinkage, which led to a lack of skilled models for people to copy.
E) Cultural knowledge initially increased due to immigration and population diversity; however, it later deteriorated because it is in the nature of cultural evolution that some cultural ideas fall out of favor in time.