James E. Campbell attended public schools and then Miami University, establishing a solid educational foundation. He served in the Union Army during the Civil War, gaining experience in military operations. Campbell was admitted to the bar in 1865 and began practicing law in Hamilton, Ohio, in 1867. He transitioned into public service, serving as a prosecutor in Butler County, Ohio, and later as a member of the United States House of Representatives. Campbell held leadership roles, including Chairman of the House Committee on Alcoholic Liquor Traffic, and was elected governor of Ohio, where he enacted significant reforms.

James E. Campbell's political identity is marked by a blend of regulatory advocacy and civic engagement. He championed the regulation of alcoholic liquor traffic, showcasing a principled stance on economic governance. Campbell's commitment to clean governance is evident in his efforts to remove corrupt officials in Cincinnati. His broad involvement in civic organizations suggests a deeply rooted, community-focused approach to social reform, hinting at a nuanced strategy that balances ideological consistency with practical engagement.