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.
However, many experts trace the deaths of more than 600,000 U.S. citizens on Civil War battlefields to an older cause: the cotton gin. This machine revolutionized the process of separating cotton from its seed, making it dramatically faster and less expensive to turn picked cotton into usable cotton for textiles.