Princeton was an offensive battle and Trenton was a defensive battle.
" Lee ordered this army to evacuate the positions they had held east of Richmond and Petersburg for the last nine months when he learned of the disaster at Five Forks. The army was to pull out that night, April 2, 1865, and head west. Lee hoped to be able to get to the vicinity of Greensboro, North Carolina with his army, and unite his command with that of Joseph E. Johnston, and continue the fight. He was cut off and compelled to surrender at Appomattox. "
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