John Calhoun is the answer
Answer:
In 1794, U.S.-born inventor Eli Whitney (1765-1825) patented the cotton gin, a machine that revolutionized the production of cotton by greatly speeding up the process of removing seeds from cotton fiber. By the mid-19th century, cotton had become America's leading export
Explanation:
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<span>Knights of Labor (KOL)</span><span>, </span>the first important national labour organization in the United States, founded in 1869. Named the Noble Order of the Knights of Labor by its first leader, Uriah Smith Stephens, it originated as a secret organization meant to protect its members from employer retaliations. Secrecy also gave the organization an emotional appeal
C woman never legally enlisted in army
