Why might the land owners want to keep the sharecroppers in-debt to them?

Landowners may want to keep sharecroppers in debt to maintain control over their labor and prevent them from gaining financial independence. By perpetuating a cycle of debt, they ensure that sharecroppers remain reliant on them for credit and supplies, effectively binding them to the land and limiting their ability to seek better opportunities elsewhere. This arrangement can also maximize the landowners' profits, as they can take advantage of the sharecroppers' labor while minimizing their own financial risks.