What you are referring too is the Gettysburg address. But perhaps maybe you haven't heard it all over.
Lincoln explains in his speech that it is the soldiers who have given their lives, and who have fought with such valor in what they believed in, that have hallowed this ground. Soldiers on both sides, as the states which turned against the union, remained as stars on the union flag.
In other words, it is not the piece of paper that hallows the ground. Not the speech or any other source or action. It is the dedication of the men who fought there that hallowed that ground
If you wish to learn more about this, I recommend going to Gettysburg Pennsylvania just as I have. The town features great restaurants and attractions and you can learn so much from the museum and a trip to the battlefield.
They were wondering in search of their lost family members, they were constantly in danger, with a possibility of being killed, secretly enslaved or beaten up harshly. Their lives for sure were quite bitter even after the civil war. After all, the war could not change the point of view of the landowners in the South in a fingerclick, that required much more time and patience.
7.. you answered the question in the question! :)
