What political experiences did William McKinley have?

William McKinley served as a U.S. Congressman from Ohio from 1877 to 1891, where he became known for his support of protective tariffs. He later held the position of Governor of Ohio from 1892 to 1896, during which he focused on economic issues and labor relations. McKinley's political career culminated in his election as the 25th President of the United States in 1896, a role in which he led the nation through the Spanish-American War and promoted a pro-business agenda.