[Partisan Gunslinger]

And, yes, I realize that Robert E. Lee's army acted with far more class and dignity in its invasion of Pennsylvania than Sherman's army did the following year in their invasion of Georgia.

Because they had to get the hell out of there.

[Vigilanteman]

They spend close to a month in Pennsylvania prior to Gettysburg. They selectively destroyed specific military targets (steel mills owned by radical Republican Senator Thaddeus Stevens), not everything in their path.

History records that the townspeople and farmers were generally astonished by the civil behavior of Lee's army which traded or paid fair prices for everything they got. There was one case of an army unit swarming a hat shop in McConnellsburg, taking hats and leaving beat up headgear in exchange. Their CO ordered the men to either return the hats they took or pay for them. They did.