What was the new labor system established in the south during reconstruction?

The new labour system established in the south during reconstruction was sharecropping.

Explanation:

The new system introduced in the south was sharecropping. Under this system the black families would work on a small piece of land, they would live and grow crops on it.

As rent the families would give a portion of their crops to the landowners. It helped them lived safely and had a secure source of income.  Sharecropping was mostly done in the south.

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explanation:

d. william mckinley's southern upbringing him win.