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.
Since the cotton gin allowed more cotton to be cleaned for sale, more land could be used for cotton production, and slaves were needed to grow and pick the cotton. Industry, especially the expansion of use of machines to produce goods, led to the mass production of goods and the growth of factories.