What group from the north was shunned in the south for trying to take advantage
and, in some cases, rob people in the
south after the Civil War.

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.

b]to spread the message of black power