Creating a "Layered" Pressure

I dissect Texas' "layered" pressure against Alabama. What I call Packers Add (Wham) 1.

Interchangeable parts were first popularized in the United States by Eli Whitney, who used them to create muskets at the beginning of the 19th Century. The idea supercharged the Industrial Revolution, which would usher in today's modern urbanized America. These new parts were pre-manufactured and made to be identical to each other.

The concept of interch…