CHAPTER XXXV.
Return of the Enemy to Washington.—War transferred to the
Frontier.—Condition of Maryland.—Crossing the Potomac.—
Evacuation of Martinsburg.—Advance into Maryland.—Large Force of
the Enemy.—Resistance at Boonesboro.—Surrender of Harper's
Ferry.—Our Forces reach Sharpsburg.—Letter of the President to
General Lee.—Address of General Lee to the People.—Position of
our Forces at Sharpsburg.—Battle of Sharpsburg.—Our Strength.—
Forces withdrawn.—Casualties.