Note 549 — SECTION XXXVI: CHAPTER VII
Reading edition
The classical instance of the proper defence of a river front is (I suppose) Lee’s defence of the Rappahannock at the battle of Fredericksburg. For the ruinous fate of an army which gets across at one or two points of a long front, and is counter-attacked, cf. the battle of the Katzbach, fought two months after Vittoria.