Task: Text Categorization
Input (English): Hiram Hover was shot for attempting to recruit blacks into this organization in Georgia. It was a leading proponent of the Chinese Exclusion Act. The Adelphon Kruptos was a collection of its rituals, and this organization dropped its rule of secrecy in 1881. Founded by Uriah Stephens and led by Terrence Powderly, this group saw a decline after the Haymarket Square bombing. For 10 points, name this early American labor union.
Output (English): History