(B) Map and Background on the Civil WarA house divided against itself cannot stand. I believe this government cannot endure, permanently,half slave and half free. I do not expect the Union to be dissolved ? I do not expect the house to fall ?but I do expect it will cease to be divided. It will become all one thing or all the other. Either theopponents of slavery will arrest the further spread of it, and place it where the public mind shall rest inthe belief that it is in the course of ultimate extinction; or its advocates will push it forward, till it shallbecome alike lawful in all the States, old as well as new ? North as well as South.-Abraham Lincoln, Republican candidate for the United States Senate in Illinois- June 16, 1858 (He lostthat election to Stephen Douglas but Lincoln would defeat Douglas for president in 1860.)Read the Historical Background on the Civil War. Why did it happen? If slavery began in thiscountry in 1619, why did it take 200 years for it to become such a divisive issue? What specificevents helped to make slavery an issue of public debate? Research the A Nation Divided 1861-1865 Map. Why did certain Border States remain loyal to the United States, while they stillretained slaves? Why did whites in the South believe that their liberty required the continuationof slavery?!