Lee did more to reunite the Union an just about anyone else. Many opponents from the Civil War became the best of friends afterwards.
In 1938, 75 years after the battle, the surviving soldiers on both sides gathered at Gettysburg for one last reunion. They got along very well. Just goes to show that those Yankees weren’t woke in 1938.
The period in American history known as reconstruction when blacks were given the vote (then restricted) gets the revisionist treatment or ignored because it doesn’t fit into the socialists agenda which calls for division. The reason those monuments in question are placed, honoring men who fought for their cause when after defeat did not continue on. But rather chose to accept and support the result to unuify the country