No one could bye land over 10 acres
the universal declaration of human rights article 11
I believe that one of the main reasons was that the North had a more industrialized advantage. For example, the North had many factories and railroad systems which was scarce farther South where agriculture and farming dominated. Having these factories allowed manufacturing weapons and suplies much easier and quicker than than the South.
New Hampshire, Massachusetts, Connecticut, Rhode Island, New York, New
Jersey, Pennsylvania, Delaware, Maryland, Virginia, North Carolina,
South Carolina and Georgia.