The invention that I will be describing and teaching you about is the Cotton gin. The Cotton gin was invented in 1793 by Eli Whitney in the United States.
What is does
This invention separates or disconnects cotton fibers from their seeds. Many farmers hired more slaves to do this job. Before this machine was invented, cotton fibers were separated from their seeds by hand.
The purpose of this machine is to get the job done faster and work quicker.
Positive and Negative effects
This machine had a positive effect on the farmers, because they were paid for the cotton and/or cotton fabric that they made and sold. This had a negative effect on the slaves because more slaves were sold to work with this machine, and they had to work harder. After planting lots of cotton in the same soil, the soil began to lose its nutrients.
How it works
A cotton gin works by first having cotton placed in the container for cotton bolls, then when you move the crank, the cotton is pulled through comb like things and the cotton is separated from the seeds. After, the cotton is pushed into the container for clean cotton.
The modern version of a cotton gin is still called the same thing, it is just bigger, and works faster. The second picture above shows a modern day cotton gin.
The people in the South were scared that slavery would be banned because of the impact the Northern people had on how they didn't believe in slavery.
Advance in technology
The modern day cotton gin was invented to separate cotton from its seeds faster and without requiring a lot of labor.