MORALE OF THE TWO ARMIES—RELATIVE CONDITIONS OF THE NORTH AND SOUTH—PRESIDENT LINCOLN VISITS RICHMOND—ARRIVAL AT WASHINGTON—PRESIDENT LINCOLN'S ASSASSINATION—PRESIDENT JOHNSON'S POLICY.SHERMAN AND JOHNSTON—JOHNSTON'S SURRENDER TO SHERMAN—CAPTURE OF MOBILE—WILSON'S EXPEDITION—CAPTURE OF JEFFERSON DAVIS—GENERAL THOMAS'S QUALITIES—ESTIMATE OF GENERAL CANBY.CHAPTER LXIX.