Idaho in the American Civil War Idaho in the American Civil War The history of Idaho in the American Civil War is atypical, as the territory was far from the battlefields. At the start of the Civil War, modern-day Idaho was part of the Washington Territory. On March 3, 1863, the Idaho Territory was formed, consisting of the entirety of modern-day Idaho, Montana, and all but southwest Wyoming. However, there were concerns about Confederate sympathizers in the eastern half of the territory, in what is present-day Montana. As a result, in 1863 Sidney Edgerton traveled quickly to see President Abraham Lincoln about the situation; this was
Opposition to the American Civil War Opposition to the American Civil War Popular opposition to the American Civil War, which lasted from 1861 to 1865, was widespread. Although there had been many attempts at compromise prior to the outbreak of war, there were those who felt it could still be ended peacefully or did not believe it should have occurred in the first place. Opposition took the form of both those in the North who believed the South had the right to be independent and those in the South who wanted neither war nor a Union advance into the newly declared Confederate States of America. The