Once enslaved labor was abolished, southern landowners replaced it with a system called?

What is the formal role of congress on amending the constitution

The civilian conservation corps (ccc), an agency established during the great depression as part of the new deal, created jobs for people who were unemployed. what kind of work did people do as part of the ccc? a. built libraries and hospitals b. maintained state and national forests c. photographed migrants and the homeless d. constructed roads and bridges

What are three voluntary behaviors that is not control by results?