0:00 On March twenty-fifth, nineteen eleven, a fire at the Triangle Shirtwaist Factory in New York City killed one hundred and forty-six people in just eighteen minutes.0:12 This wasn't just a tragedy; it was the crime of systemic neglect that forced America to rewrite its labor laws.0:21 Last week, we began our look at the crimes that changed the rules—today, we examine the case that became the blueprint for modern workplace safety.0:32 The factory occupied the top three floors of the Asch Building in Manhattan.0:38 The workers were mostly young immigrant women and girls, some as young as fourteen.0:44 They were sewing "shirtwaists"—popular women's blouses.0:48 And the conditions inside were a catastrophe waiting to happen.0:53 Piles of flammable cotton scraps littered the floors.0:57 The air was thick with lint.0:59 There had never been a single fire drill.1:02 And most critically, one of the main exit doors on the ninth floor was locked from the outside.1:09 The owners, Max Blanck and Isaac Harris, kept it locked during work hours to prevent employees from taking unauthorized breaks or stealing scraps of fabric.1:21 It was a common practice in the sweatshops of the era.1:25 It was also a death sentence.1:28 When the fire broke out near closing time on that Saturday afternoon, it spread with terrifying speed through the fabric and scraps.1:38 Panic erupted.1:39 The workers scrambled for the exits.1:42 But the main stairwell door was locked.1:45 The other was soon blocked by fire.1:47 A single, flimsy fire escape quickly became overloaded with terrified people and collapsed, plunging dozens to their deaths on the pavement below.1:58 The elevator operators tried to make trips up, but the heat and flames became too intense.2:05 Trapped on the ninth floor, with fire behind them and no way out, workers began to jump from the windows.2:13 On the street below, horrified onlookers watched, helpless.2:18 One of those witnesses was a thirty-year-old social reformer named Frances Perkins.2:24 What she saw that day would define the rest of her life.2:28 The fire was out in less than half an hour, but the outrage was just beginning.2:34 One hundred and forty-six workers were dead.2:38 The public saw the images of the twisted fire escape, of the bodies on the sidewalk.2:44 They heard the stories of the locked doors.2:47 And the common explanation—that this was simply a tragic accident—didn't hold.2:53 It couldn't.2:54 This wasn't an act of God; it was an act of profound, calculated indifference.3:00 The locked door became the central symbol of a system that valued pennies worth of cloth over human lives.3:08 So what does it all add up to?3:11 It adds up to a turning point.3:13 The question was no longer just about this one fire, or these two owners.3:19 The question became, how could the LAW allow this to happen?3:23 The public demanded an answer.3:25 Labor unions, like the International Ladies’ Garment Workers’ Union, organized massive protest marches.3:33 The pressure was immense and unavoidable.3:36 In response, New York State established the Factory Investigating Commission.3:42 This wasn't just a token committee.3:45 It was given real power to investigate and recommend new legislation.3:50 And it did.3:51 Over the next few years, the state legislature passed more than THIRTY new laws directly based on the commission’s findings.4:01 These weren't small tweaks.4:03 They were fundamental reforms.4:05 Mandatory fire drills.4:07 Mandatory unlocked exit doors during working hours.4:10 Requirements for sprinkler systems in large buildings.4:15 New rules on ventilation and limits on working hours for women and children.4:20 This became the model for the nation.4:23 And Frances Perkins, the woman who watched the horror unfold from the street, would go on to become Franklin D.4:32 Roosevelt's Secretary of Labor—the first woman to ever hold a cabinet position.4:38 She spent the next fifty years building on the lessons of that day.4:43 The fire at the Triangle Shirtwaist Factory was a crime of negligence, but its legacy is written in every fire code, every safety inspection, and every exit sign that points the way to safety.