The fire led to legislation requiring improved factory safety standards .
The fire helped spur the growth of the International Ladies ' Garment Workers ' Union ( ILGWU ) , which fought for better working conditions for sweatshop workers .
The fire led to legislation requiring improved factory safety standards and helped spur the growth of the International Ladies ' Garment Workers ' Union ( ILGWU ) , which fought for better working conditions for sweatshop workers .