 By moving south of the river, Lee hoped that Grant would assume that he was retreating, leaving only a token force to prevent a crossing at Ox Ford.If Grant pursued, the pointed wedge of the inverted V would split his army and Lee could concentrate on interior lines to defeat one wing; the other Union wing would have to cross the North Anna twice to support the attacked wing.The Union Army assaulted the tip of the apex at Ox Ford and the right wing of the V. However, Lee, incapacitated in his tent by diarrhea, could not effect the attack he hoped to make.