What was the main problem associated with Sharecropping?

Responses

There was not enough crops to share with all of the workers.
There was not enough crops to share with all of the workers.

The sharecroppers were unable to save enough money to get out of the system.
The sharecroppers were unable to save enough money to get out of the system.

The sharecroppers were unable to read and write and could not vote.

The sharecroppers were often exploited by landowners and trapped in a cycle of debt.