Condition of Kentucky and Tennessee--Halleck's instructions to Burnside--Blockhouses at bridges--Relief of East Tennessee--Conditions of the problem--Vast wagon-train required--Scheme of a railroad--Surveys begun--Burnside's efforts to arrange co-operation with Rosecrans--Bragg sending troops to Johnston--Halleck urges Rosecrans to activity--Continued inactivity--Burnside ordered to send troops to Grant--Rosecrans's correspondence with Halleck--Lincoln's dispatch--Rosecrans collects his subordinates' opinions--Councils of war--The situation considered--Sheridan and Thomas--Computation of effectives--Garfield's summing up--Review of the situation when Rosecrans succeeded Buell--After Stone's River--Relative forces--Disastrous detached expeditions--Appeal to ambition--The major-generalship in regular army--Views of the President justified--Burnside's forces--Confederate forces in East Tennessee--Reasons for the double organization of the Union armies. CHAPTER XXIV THE MORGAN RAID Departure of the staff for the field--An amusingly quick return--Changes in my own duties--Expeditions to occupy the enemy--Sanders' raid into East Tennessee--His route--His success and return--The Confederate Morgan's raid--His instructions--His reputation as a soldier--Compared with Forrest--Morgan's start delayed--His appearance at Green River, Ky.--Foiled by Colonel Moore--Captures Lebanon--Reaches the Ohio at Brandenburg--General Hobson in pursuit--Morgan crosses into Indiana--Was this his original purpose?--His route out of Indiana into Ohio--He approaches Cincinnati--Hot chase by Hobson--Gunboats co-operating on the river--Efforts to block his way--He avoids garrisoned posts and cities--Our troops moved in transports by water--Condition of Morgan's jaded column--Approaching the Ohio at Buffington's--Gunboats near the ford--Hobson attacks--Part captured, the rest fly northward--Another capture--A long chase--Surrender of Morgan with the remnant--Summary of results--A burlesque capitulation. CHAPTER XXV THE LIBERATION OF EAST TENNESSEE News of Grant's victory at Vicksburg--A thrilling scene at the opera--Burnside's Ninth Corps to return--Stanton urges Rosecrans to advance--The Tullahoma manoeuvres--Testy correspondence--Its real meaning--Urgency with Burnside--Ignorance concerning his situation--His disappointment as to Ninth Corps--Rapid concentration of other troops--Burnside's march into East Tennessee--Occupation of Knoxville--Invests Cumberland Gap--The garrison surrenders--Good news from Rosecrans--Distances between armies--Divergent lines--No railway communication--Burnside concentrates toward the Virginia line--Joy of the people--Their intense loyalty--Their faith in the future. CHAPTER XXVI BURNSIDE IN EAST TENNESSEE