Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This man wrote the definitive biography of the duke of Marlborough. He introduced labor exchanges and industry-specific minimum wages as president of the Board of Trade. That led to his promotion to First Lord of the Admiralty, where he orchestrated the disastrous Gallipoli campaign. During his ""wilderness years,"" he denounced the Munich Pact, which lent him credibility when he promised to ""fight them on the beaches. "" For 10 points, name this Prime Minister who succeeded Neville Chamberlain and led the U.K. for most of World War II.
History