Which event is often cited as prompting changes in labor safety regulations?

The Triangle Shirtwaist Factory fire is widely recognized as a pivotal event that catalyzed significant changes in labor safety regulations. This tragic incident occurred on March 25, 1911, in New York City, when a fire broke out in the factory, leading to the deaths of 146 workers, most of whom were young immigrant women. The building’s safety features were grossly inadequate; exits were locked, and there were insufficient fire escapes.

The public outcry that followed the fire played a crucial role in raising awareness about the dire conditions under which many industrial workers labored. This ignited a movement for reform, leading to new laws and regulations focused on workplace safety and building codes. Consequently, the incident is often credited with sparking changes that laid the groundwork for modern labor protections, such as fire safety requirements, health regulations, and the establishment of unions that advocate for workers' rights.

In contrast, while events such as the Haymarket Affair, the Pullman Strike, and the Great Railroad Strike were significant in their own right, they primarily concerned broader labor issues, such as workers' rights, wage disputes, and the fight for union recognition. They did not directly result in immediate changes to safety regulations to the same extent as