Answer:
C) He allied himself with Henry II of England to weaken the power of the French nobility.
Step-by-step explanation:
Philip II also known as Philip Augustus was King of France from 1180 to 1223. He was the first proclaimed King of France. His predecessors had been known as kings of the Franks.
Of all the options given the false one is the C because Philip did not ally with Henry II. He did the opposite to maintain control over French territory that the King of England wanted to keep for his own country.
I hope this answer helps you.