l believe that would be Eli Whitney's cotton gin.
The cotton gin
the invention of the cotton gin
The cotton gin led to a huge increase in the number of slaves in the South. This happened because the cotton gin caused more cotton to be produced.
The cotton gin
The Cotton Gin!
The cotton gin
the invention of the cotton gin
the invention of the cotton gin
The cotton gin led to a huge increase in the number of slaves in the South. This happened because the cotton gin caused more cotton to be produced.
The cotton gin
The cotton gin
the cotton gin
The Cotton Gin!
The creation of the cotton gin led to the increase of slaves not only did slaver increase but diligence of the workers had also significantly increased which created an economic boom in the south ...
the light bulb.
cotton gin
The Cotton Gin. And was created by Eli Whitney.