When Johnston assumed command of the west he knew these facts. 1 troops would not be moved from across the Mississippi river. 2 Nashville, New Orleans and Memphis were in federal hands. 3 Bragg had lost confidence of his subordinates and Pemberton had no Calvary. Should Johnston have exercised direct control ordering Pemberton to unite his forces with Bragg and keep union forces from moving down the rail line to Chattanooga. He could have used Pemberton as a Corp commander and Bragg as his 2nd in command.