The correct answer is B) He led his troops North and invaded Union territory.
General Lee responded to Confederate victories at Fredericksburg and Chancellorsville by leading his troops north and invaded Union territory.
On December 13, 1862, General Lee commanded his troops to defeat the Union Army in Fredericksburg, in Northern Virginia. From April 30 to May 6, 1863, General Robert E. Lee commanded his troops to the greatest victory for the Confederation over the Union Army, in the woods of Chancellorsville, Virginia. General Robert E. Lee responded to those victories by leading his troops North and invaded Union territory.