If any links will report you (not kidding) What was the primary significance of the Triangle Shirtwaist Factory Fire?
A. It inspired the creation of New York City's first government-funded fire department.
B. It led to the passage of the Tenement Reform Law.
C. It sparked city-wide protests against the use of child laborers.
D. It drew public attention to the poor working conditions of many unskilled laborers.

led to legislation requiring improved factory safety standards and helped spur the growth of the International Ladies' Garment Workers' Union (ILGWU)

Explanation:

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. The building has been designated a National Historic Landmark and a New York City landmark.

d) iowa i believe is the answer