Slavery and Four Years of War V2, 1863-1865: A Political History of Slavery in the United States is a book written by Joseph Warren Keifer and published in 1900. The book provides a detailed account of the political history of slavery in the United States during the years 1863-1865. Keifer explores the causes and consequences of the Civil War, focusing on the role of slavery in the conflict. He examines the political and social factors that led to...