This was the last major battle of the civil war.As they marched north,all roads converged on Gettysburg.
Day-1
General lee's army did not know how many troops Grant had,so they were cautious in their attack.
Day-2
More Union troops arrived and occupied the high ground .Confederate troops tried to flank the Union army but could not.Confederate troops tried break the union army lines but could not.Day-3 In one final attempt to over run the.The Union army,General Lee sent his entire force across an open field stratight at the Union army.The Union army won Gettysburg.