leading to legislation bathroom young worker described Triangle Shirtwaist fire of 1911 had grown popular Triangle Shirtwaist fire of 1911 Triangle Shirtwaist fire of 1911 Triangle Shirtwaist fire of 1911 bathroom labor movement Triangle Shirtwaist fire unethical labor practices Triangle Shirtwaist fire of 1911 Triangle Shirtwaist Factory Fire Triangle Shirtwaist fire The Uprising of 20,000 Triangle Shirtwaist fire Triangle Shirtwaist Factory fire