 Complete the following phrase:  Finding he could not break Lees line of defense at Spotsylvania, Grant turned southward and moved to the North Anna River a dozen miles closer to Richmond. An attempt was made by Grant to get Lee to fight out in the open by sending an individual II Corps on the west bank of the Mattaponi River. Rather than take the bait, Lee anticipated a second right flank movement by Grant and retreated to the North Anna River in response to the Union V and VI corps, withdrawing from Spotsylvania. During this time, many Confederate generals, including Lee, were incapacitated due to illness or injury. Lee, stricken with dysentery, was unable to take advantage of an opportunity to seize parts of the Army of the Potomac. After a series of inconclusive minor battles at 