The Chapter Introduction Tells the Story of the Triangle Shirtwaist

The chapter introduction tells the story of the Triangle Shirtwaist fire to make the point that

A) the time known as the Progressive Era was when modern city services such as police and fire departments spread across America.
B) reformers of the day sought to use government to curb abusive corporations and establish a good society.
C) industrial society increasingly had to face the negative consequences of decades of wrenching economic change.
D) economic depression was not the only harsh reality faced by anxious Americans at the turn of the century.