Answer: William Pitt became the British Prime Minister after the French and Indian war.
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Answer:William Pitt the Elder
Explanation:William Pitt, the Younger, (born May 28, 1759, Hayes, Kent, England—died January 23, 1806, London), British prime minister (1783–1801, 1804–06) during the French Revolutionary and Napoleonic wars. He had considerable influence in strengthening the office of the prime minister.