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William McKinley (born January 29, 1843, Niles, Ohio, U.S.—died September 14, 1901, Buffalo, New York) was the 25th president of the United States (1897–1901). Under McKinley’s leadership, the United States went to war against Spain in 1898 and thereby acquired a global empire, which included Puerto Rico, Guam, and the Philippines. McKinley was the son of William McKinley, a manager of a charcoal furnace and a small-scale iron founder, and Nancy Allison. Eighteen years old...