In 800, the Pope reclaimed control of Rome, and Charlemagne paid him a visit. On Christmas Day, 800, Pope Leo III bestowed a crown on Charlemagne's head and declared him Holy Roman Emperor in gratitude for his assistance and protection. I hope this helps! ^-^
Freed slaves or the enslaved negroes/black farmers migrated to western territories because the west was new and the United States Agrarian Reform had promised them a free land which is forty (40) acres and a mule under the Homestead Act of 1862.
