The Triangle Shirtwaist Factory fire happened in 1911, which was during the Progressive Era reformist movement. Middle classes were uncomfortable due to the lack of a social safety net for the lower classes and about low wages, long hours, unsanitary conditions in work places, and crowded conditions in immigrant urban districts. Progressivism was popular amongst immigrants and the poor within urbanized cities. Also, the disaster happened in New York City, a place known for its massive amounts of immigrant workers from eastern and southern Europe. Thus, the Triangle Shirtwaist Factory fire was a heartbreaking event that served as a catalyst to spur action against the negative effects of industrialism on worker safety. Consequently, New York City Board of Alderman passed an act creating the Bureau of Fire Prevention only a few months after the