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.
Down the great rivers that flow into the Baltic Sea. Then the sailors would portage (carry and drag) their ships between rivers, heading for southern flowing rivers, such as the Dneiper and Don,