War upon Our Border examines the experiences of two Ohio River Valley communities during the turmoil and social upheaval of the American Civil War. Although on opposite sides of the border between slavery and freedom, Corydon, Indiana, and Frankfort, Kentucky, shared a legacy of white settlement and a distinct western identity, which fostered unity and emphasized cooperation during the first year of the war. But subsequent guerrilla raids, military occupation, economic hardship, political turmoil, and racial tension ultimately divided citizens living on either side of the river...