Complex sentence: Stephenson was closely involved in the gubernatorial candidacy of Indiana Klan-member Edward L. Jackson, and the Klan saw significant electoral success in that state in 1924; after these victories, Stephenson showed further disdain for Evans.
Split into simpler sentences: Stephenson was closely involved in the gubernatorial candidacy of Indiana Klan-member Edward L. Jackson, and the Klan saw significant electoral success in that state in 1924. After these victories, Stephenson showed further disdain for Evans.