Beyond his role as a judge, what unique action did Samuel undertake that significantly shaped the future of Israel, marking a transition in their governance?

A He established a permanent temple in Shiloh, centralizing worship. B He negotiated a lasting peace treaty with the Philistines, ending decades of conflict. C He anointed both Saul and David as kings, establishing a monarchy. D He codified the laws of Moses into a single, comprehensive legal code.