<P> Margin of victory less than 5% (142 electoral votes): </P> <Ol> <Li> Idaho, 1.05% </Li> <Li> Illinois, 1.62% </Li> <Li> Wyoming, 1.77% </Li> <Li> Vermont, 1.91% </Li> <Li> Maine, 2.02% </Li> <Li> New Hampshire, 2.04% </Li> <Li> Connecticut, 3.28% </Li> <Li> Rhode Island, 3.48% </Li> <Li> Massachusetts, 3.58% </Li> <Li> Pennsylvania, 4.04% </Li> <Li> North Dakota, 4.42% </Li> <Li> Iowa, 4.77% </Li> <Li> Utah, 4.91% </Li> </Ol> <Li> Idaho, 1.05% </Li> <Li> Illinois, 1.62% </Li>

Who ran the least active campaign in the 1912 election