Sharecropping: This was a system where landowners allowed tenants (often freed slaves) to use their land in exchange for a share of crops produced on it. It often led to economic exploitation.
Reconstruction Acts: These were laws passed by Congress that outlined how Southern states would be readmitted into Union after Civil War.
14th Amendment: This is an amendment to US Constitution granting citizenship and equal civil and legal rights to African Americans and slaves who had been emancipated after Civil War.