Beyond his role in leading the Israelites out of Egypt, what is a significant theological implication of Moses' repeated encounters with God on Mount Sinai?

A It primarily demonstrates the power of God over nature and foreign nations. B It reinforces the idea that salvation is achieved through strict adherence to religious rituals. C It highlights the concept of divine initiative and the establishment of a covenant relationship between God and His people, mediated through Moses. D It serves as a historical account of the origin of monotheism among the Hebrews.