The cotton gin!
cotton gin
The Invention of the Telegraph by Joseph Henry in 1831 led to the invention of the phone.
The steam engine
Exactly that...that one invention leads to another invention. For example. The invention of the car, led to the invention of the assembly line
The cotton gin!
The cotton gin
The cotton gin!
cotton gin
cotton gin
cotton gin
cotton gin
Increase
the invention of the cotton gin
Its an increase in agriculture production in the South.
the invention of the cotton gin
The increase in population has led to unemployment.