Civil War , in U.S. History
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2007
...in U.S. history in U.S. history, conflict (1861 65) between...question of the extension or prohibition of slavery in the federal territories...Irrepressible Conflict, 1850 1865 ("History of American Life" series, Vol...repr. 1969); J. F. Rhodes, History of the Civil War, 1861 1865...