Complex sentence: Frances Butler Leigh defended her father in the continuing postwar dispute over slavery as an institution; based on her experience, Leigh published "Ten Years on a Georgian Plantation since the War" (1883), a rebuttal to her mother's account.
Split into simpler sentences: Frances Butler Leigh defended her father in the continuing postwar dispute over slavery as an institution. Based on her experience, Leigh published "Ten Years on a Georgian Plantation since the War" (1883), a rebuttal to her mother's account.