Who was the British Prime Minister who drove the French out of America?

The British Prime Minister who played a significant role in driving the French out of America during the French and Indian War was William Pitt the Elder. He became Prime Minister in 1756 and focused on expanding British military efforts in North America, leading to decisive victories against the French. His strategies and support for the war effort contributed to Britain's dominance in the region by the end of the conflict in 1763.