...tam, 213; on battle of Fredericksburg, 252; placed in command of Potomac army, 261; his reorganization of the Potomac army, 267; his popularity on assuming command, 268; at Chancellorsville (see also Chancellorsville ), 271; contradictory evidence on Jackson's purpose at Chancellorsville, 284; the army without a head on Sunday morning, 293; his Chancellorsville campaign considered, 303; strength of his army after ...