The difference between influenza and the common cold. Both influenza and the common cold are viral respiratory infections (they affect the nose, throat, and lungs). Viruses are spread from person to person through airborne droplets that are sneezed out or coughed up by an infected person.
Before the gin was invented, cotton was not... One of the major effects of the cotton gin on slavery was the increased need for slaves to keep up with the profitability that came with its invention. Before the gin was invented, cotton was not... One of the major effects of the cotton gin on slavery was the increased need for slaves to keep up with the profitability that came with its invention.
The cotton gin (short for engine) was so successful that people copied his invention and he never really made any money from his idea.   The cotton gin changed the Southern world in a hurry. Few machines have changed a world as much as the cotton gin. It not only affected American history but the world.