Busy in the Cause: Iowa, the Free-State Struggle in the West, and the Prelude to the Civil War

Despite the immense body of literature about the American Civil War and its causes, the nation’s western involvement in the approaching conflict often gets short shrift. Slavery was the catalyst for fiery rhetoric on both sides of the Mason-Dixon line and fiery conflicts on the western edges of the nation. Driven by questions regarding the place of slavery in westward expansion and by the increasing influence of evangelical Protestant faiths that viewed the institution as inherently sinful,...