Answer:
A, the cotton gin.
Explanation:
The cotton gin separated the seeds from the cotton significantly quicker than any enslaved person could, thus increasing the amount that was produced.
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The committees of correspondence were associations of people that formed in several populated areas among the thirteen colonies during 1773. These groups were in charge of disseminating anti-British propaganda in their locations. They played a key role due to the fact they grew to such extent that they would later unify into one single entity during the Revolutionary War.
<span>The Democratic party was seen as to blame for this Panic. The Specie Circular, implemented under Jackson and Van Buren, was seen as the major driver of the inflation and price increases that led to the Panic of 1837. This led to restrictions on credit, less borrowing, and therefore, bank failures. In addition, farmers were having trouble meeting their loan terms, due to the inflation on their farm products, and were losing their lands to larger, wealthier farmers. All this led to a Panic that lasted until the mid-1840s.</span>
It was influenced by Roman art and architecture
Ben Barres was a neurobiologist who made groundbreaking discoveries regarding the structure and function of the brain that may have implications for understanding Alzheimer’s disease and other degenerative disorders.
As a transgender man he became an outspoken opponent of gender bias in science.
The 63-year-old, a professor of neurobiology at Stanford University, was one of the world’s leading researchers on glial cells; the most numerous structures in the brain, whose purpose was long a complete mystery.