Question

what event in 1911 focused attention on the need to protect factory workers

Answer 1

The Triangle Shirtwaist Co. factory had a fire. It was what led to developing occupational health and safety measures, fire prevention efforts and the state-based workers compensation system.

Answer 2

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.