I believe the answer is: The Triangle Shirtwaist Factory fire
The Triangle Shirtwaist Factory fire was regarded as the deadliest industrial disaster in history, which caused almost 150 deaths of factory workers. In response to this accident, government create list of regulations that the employers must follow in their workplace as safety regulations for their workers.
The Triangle Shirtwaist Co. factory had a fire. It <span>was what led to developing occupational health and safety measures, fire prevention efforts and the state-based workers compensation system.</span>
England is a constitutional monarchy (with Queen Elizabeth II as head of state) and a parliamentary democracy (with parliament as the legislative organ).