Confederate States Army from other causes such as accidents, which would add several thousand to the death toll. The main Confederate armies, the Army of Northern Virginia under General Robert E. Lee and the remnants of the Army of Tennessee and various other units under General Joseph E. Johnston, surrendered to the U.S. on April 9, 1865 (officially April 12), and April 18, 1865 (officially April 26). Other Confederate forces surrendered between April 16, 1865 and June 28, 1865. By the end of the war, more than 100,000 Confederate soldiers had deserted, and some estimates put the number as high as one third
General officers in the Confederate States Army combat, to be the senior general officer in the CSA. That seniority strained the relationship between Joseph E. Johnston and Jefferson Davis. Johnston considered himself the senior officer in the Confederate States Army and resented the ranks that President Davis had authorized. However, his previous position in the U.S. Army was staff, not line, which was evidently a criterion for Davis regarding establishing seniority and rank in the subsequent Confederate States Army. On February 17, 1864, legislation was passed by the Congress to allow President Davis to appoint an officer to command the Trans-Mississippi Department in the Far West, with