Final answer:
Louis XIV of France became fearful of the nobility due to their revolts during his childhood, which shaped his decision to consolidate power and weaken their influence.
Step-by-step explanation:
What happened to Louis when he was young that made him fearful of the power of the nobility? The most accurate historical incident that can be attributed to a Louis developing a fear of the power of the nobility does not correspond to the options given in the question but instead relates to Louis XIV of France. Louis XIV, also known as the Sun King, became king at a very young age in 1643, and during his early years, he witnessed the French nobility's revolts and rebellions against royal authority during the Fronde (1648-1653). This civil war in France largely shaped his decision to weaken the power of the nobility and consolidate absolute monarchical power to prevent such uprisings in the future.
As a young king, Louis XIV was exposed to real threats to the monarchy, including a noble's abuse of power, but the most significant impact was the chaos caused by the nobility during the Fronde. The experiences of Louis XIV with the nobility led him to create a centralized state where he could control the nobility by having them live at his court in Versailles, away from their power bases in the provinces.