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The Knoxville Campaign〔The U.S. National Park Service classifies the five battles in this article into two campaigns: the East Tennessee Campaign (Blountsville and Blue Springs) and Longstreet's Knoxville Campaign (Campbell's Station, Fort Sanders, Bean's Station).〕 was a series of American Civil War battles and maneuvers in East Tennessee during the fall of 1863 designed to secure control of the city of Knoxville and with it the railroad that linked the Confederacy east and west. Union forces under Maj. Gen. Ambrose Burnside occupied Knoxville, Tennessee, and Confederate forces under Lt. Gen. James Longstreet were detached from Gen. Braxton Bragg's Army of Tennessee at Chattanooga to prevent Burnside's reinforcement of the besieged Union forces there. Ultimately, Longstreet's own siege of Knoxville ended when Union Maj. Gen. William Tecumseh Sherman led elements of the Army of the Tennessee and other troops to Burnside's relief after Union troops had broken the Confederate siege of Chattanooga. Although Longstreet was one of Gen. Robert E. Lee's best corps commanders in the East, he was unsuccessful in his role as an independent commander in the West and accomplished little in the Knoxville Campaign. ==Background and initial movements== The mountainous, largely Unionist region of East Tennessee was considered by President Abraham Lincoln to be a key war objective. Besides possessing a population largely loyal to the Union, the region was rich in grain and livestock and controlled the railroad corridor from Chattanooga to Virginia. Throughout 1862 and 1863, Lincoln pressured a series of commanders to move through the difficult terrain and occupy the area. Ambrose Burnside, who had been soundly defeated at the Battle of Fredericksburg in December 1862, was transferred to the Western Theater and given command of the Department and the Army of the Ohio in March 1863. Burnside was ordered to move against Knoxville as swiftly as possible while, at the same time, Maj. Gen. William S. Rosecrans's Army of the Cumberland was ordered to operate against Bragg in Middle Tennessee (the Tullahoma Campaign and the subsequent Chickamauga Campaign).〔Eicher, pp. 613-14; Hartley, pp. 1131-32; Korn, p. 101; Hess, ch. 1.〕 Burnside's plan to advance from Cincinnati, Ohio, with his two corps (IX and XXIII Corps) was delayed when the IX Corps was ordered to reinforce Maj. Gen. Ulysses S. Grant in the Vicksburg Campaign. While awaiting the return of the IX Corps, Burnside sent a brigade under Brig. Gen. William P. Sanders to strike at Knoxville with a combined force of cavalry and infantry. In mid-June, Sanders' men destroyed railroads and disrupted communications around the city, controlled by the Confederate Department of East Tennessee, commanded by Maj. Gen. Simon B. Buckner.〔Eicher, pp. 613-14.〕 By mid-August, Burnside began his advance toward the city. The direct route to Knoxville ran through the Cumberland Gap, a position strongly favoring the Confederate defenders. Instead, Burnside chose to flank them. He threatened the gap from the north with the division commanded by Col. John F. DeCourcy, while his other two divisions swung around 40 miles (64 km) to the south of the Confederate position, over rugged mountain roads toward Knoxville. Despite poor road conditions, his men were able to march as many as 30 miles (48 km) per day.〔Korn, p. 101.〕 As the Chickamauga Campaign began, Buckner was ordered south to Chattanooga, leaving only a single brigade in the Cumberland Gap and one other east of Knoxville. Maj. Gen. Samuel Jones replaced Buckner as commander of the department at East Tennessee. One of Burnside's cavalry brigades reached Knoxville on September 2, virtually unopposed. The following day, Burnside and his main force occupied the city, welcomed warmly by the local populace.〔Korn, p. 103.〕 In the Cumberland Gap, 2,300 inexperienced soldiers commanded by Brig. Gen. John W. Frazer had built defenses but had no orders about what to do following Buckner's withdrawal. On September 7, confronted by DeCourcy to his north and Brig. Gen. James M. Shackelford approaching from the south, Frazer refused to surrender. Burnside and an infantry brigade commanded by Col. Samuel A. Gilbert left Knoxville and marched 60 miles (96 km) in only 52 hours. Finally realizing that he was significantly outnumbered, Frazer surrendered on September 9.〔Korn, p. 104.〕 Burnside dispatched some cavalry reinforcements to Rosecrans and made preparations for an expedition to clear the roads and gaps from East Tennessee to Virginia and if possible secure the saltworks beyond Abingdon. During this time, the Battle of Chickamauga loomed, and frantic requests from Washington, D.C., to move south and reinforce Rosecrans were effectively ignored by Burnside, who did not want to give up his newly occupied territory and its loyal citizens. Furthermore, Burnside was encountering difficulties in moving supplies through the rugged territory and was concerned that if he moved even farther from his supply base, he might get into serious difficulty.〔Korn, pp. 104-05.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Knoxville Campaign」の詳細全文を読む スポンサード リンク
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