Slave and free states

Civil War The?American Civil War was a war?fought from 1861 to 1865 between the United States (the?"Union"?or the "North") and several Southern?slave states?that had declared their?secession?and formed the?Confederate States of America?(the "Confederacy" or the "South"). The war had its origin in the issue of?slavery, and, after four years of bloody combat (mostly in the South), the Confederacy was defeated and slavery was abolished and for the first time included all black men as full citizens. During the nation moved forward into the modern Industrial Age, and in many ways the American Civil war is an example of the first form of modern warfare The main cause was some of the innovations in technology that Americans were both implementing and improving upon.