What were the economic and social effects of sharecropping and tenant farming?

Sharecroppers and tenants rarely broke out of this system to become landowners themselves. Since the Civil War ended slavery, all the money that was invested in slaves was wiped out. The plantation economy - huge farms producing cotton or tobacco or rice based on forced labor - was destroyed.

what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem