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American Civil War - Wikipedia
How the Mason-Dixon Line Divided the North and the South
North America | Countries, Regions, Map, Geography, & Facts
5 US Regions Map and Facts | Mappr
Americas | Map, Regions, & Hemispheres | Britannica
The South | Definition, States, Map, & History | Britannica
The North and the South in the Civil War - American Battlefield …
North America: Physical Geography - National Geographic Society
List of regions of the United States - Wikipedia
Civil War ‑ Causes, Dates & Battles | HISTORY