What sin led Israel into the later transgressions of idolatry and sexual immorality?

This source-based Torah study examines the question: What sin led Israel into the later transgressions of idolatry and sexual immorality? It follows the canonical Hebrew discussion through the weekly portion and the classical sources cited there, preserving the distinctions and review status of the original. This localized layer is for study and discovery only; it is not a practical halakhic, medical, legal, safety or pastoral ruling.