Answer:
All the train depots were in Union hands.
His men had not eaten for many days.
Step-by-step explanation:
General Grant had surrounded Lee on three sides, leaving the northwest as his solitary unhampered course. Lee realized that there was no expectation of providing his military by withdrawing toward that path. He was in "checkmate": he had no different alternatives left. The hopeless Lee reached out to Grant that he was set up to give up the Army of Northern Virginia.