James H. Cravens began his career in law, practicing in Virginia and Pennsylvania before transitioning to agricultural pursuits in Indiana. He held positions in both the State House of Representatives and the State Senate, showcasing his commitment to public service. Cravens also served in the Twenty-seventh Congress as a Whig and ran for Governor of Indiana as a Free-Soil Party candidate. During the Civil War, he commanded the Eighty-third Regiment, Indiana Volunteer Infantry, and was captured during Morgan's raid.

James H. Cravens's political identity is marked by an unexpected blend of regional agricultural advocacy and military service, coupled with a shifting allegiance from the Whig Party to the Free-Soil Party. His legislative efforts consistently centered on stabilizing Indiana's economy through agricultural support, while his military experience during the Civil War adds a layer of personal sacrifice to his public service. Cravens's ideological journey from the Whigs to the Free-Soil Party highlights a calculated approach to aligning with movements that best serve his regional constituents.