In the United States, sociology was first taught as an academic discipline at the University of Kansas in 1890, at the University of Chicago in 1892, and at Atlanta University in 1897.
Source (www.sparknotes.com/sociology/introduction-to-sociology/section1.rhtml)
Bruh I GAVE U THE ANSWER FOR THIS
I believe steel was used to make guns back in the days.
For example, the civil war.
They used steel for guns.
And the <span>Revolutionary</span> War,
Colonists used to smuggle weapons out of factory's because they had no money.