Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Input: 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:
History