I would believe it is taxes. Hope it helps!!!
<span>the reason why tenant farming became a dominant form of agriculture in the 1870s was: C) Masses of former slaves were needed to work for landowners
The land owner sees this as a potential to make profit while reducing their work hour at the same time.
With tenant farming, the workers was allowed to took care of the owner's land with an amount of profit cut as a payment</span>
