What is the triangle of wars?

I need help writing this paper but it needs to be an A paper please. I need a A on this paper.

Check out this website: Triangle Shirtwaist Fire Choose at least 2 (two) specific items from the site to explain the significance of the 1911 fire. What’s important about the sources? What are we learning about the incident, about the Progressive era? Connect to material/context in hour textbook on the fire & Progressive era. (@300-500 words)