It doesn't apply to executive orders
The North came out in relatively good condition. This is speculated to be due to the war being fought mostly in the south and that the north won, and when you see how the south was left in shambles, you can assume that the North was having a great time post-civil war.
By roughly 6000 to 8000 years ago, agriculture was well under way in several regions including Ancient Egypt, around the Nile River; the Indus Valley civilization; Mesopotamia, between the Tigris and Euphrates rivers; and Ancient China, along the Yellow and Yangtze rivers.
