From Alternative History
States after the Treaty of St. Louis
As Jubal Early attacks the North in 1864, Confederate sympathizers working for the B&O Railroad spread disinformation to the effect that Early is headed for Baltimore, not Washington as originally thought. Because of this, only a small Union force is present at the Monocacy River, and the Confederate forces quickly defeat them. Without the delay the Battle of Monocacy caused in
OTL, Washington is taken by the CSA, and the government hurriedly relocates to New York. In January 1865, the lame-duck President Lincoln signs the Treaty of St. Louis, guaranteeing Southern independence. The Confederate War of Independence is over.