Respuesta :
Steel plow was invented by john deere himself he wanted to make farming easier it was used to plow or in other words turn the soil over so it would be easier to plant crops.
The correct answer is the following.
We are going to pick the Cotton Gin,
The Cotton Gin was invented by Eli Whitney (1765-1825) in 1794. This new machine changed and modernized the production of cotton because it sped up the process of removing cotton seeds from cotton fiber. This allowed plantation owners in the South to export cotton to Europe.