Reconstruction Era: The historical period after the Civil War when efforts were made to rebuild and reform Southern states while addressing issues related to slavery, citizenship, and civil rights.
Freedmen's Bureau: A federal agency established during Reconstruction with a mission to assist newly emancipated African Americans in various aspects such as education, employment opportunities, healthcare, and legal representation.
Ku Klux Klan (KKK): A secret organization founded during Reconstruction whose primary goal was intimidating African Americans through acts of violence and enforcing white supremacy.