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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:
Battle of Jutland was the turning of world war I.
The answer is 18, you just have to count the total number of cubes
