Beyond his role as a judge, what was Samuel's primary function that significantly shaped the future of Israel, particularly in the transition from a theocracy to a monarchy?

A He was primarily a military leader who secured Israel's borders against Philistine incursions. B He was a scribe who meticulously documented the laws and traditions of Israel. C He was a prophet and kingmaker who anointed both Saul and David, establishing the prophetic precedent for royal legitimacy. D He was a high priest who centralized worship in Shiloh and established the Levitical priesthood.