Ohio Republican William McKinley gained national attention during six terms in congress and later served as governor of Ohio. Elected president in 1896 and reelected in 1900, he helped make the United States a world power, annexing Hawaii, and gaining possession of Puerto Rico and the Philippines following the U.S. victory in the Spanish-American War. McKinley sent U.S. troops to help protect U.S. business interests in China and pressed plans for...