How did the cotton gin affect slavery?
Eli Whitney's cotton gin, patented in 1794, made cleaning cotton much faster, but it also caused the expansion of slavery in the American South as cotton farming boomed.
Expansion facts and facts about expansions.
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Eli Whitney's cotton gin, patented in 1794, made cleaning cotton much faster, but it also caused the expansion of slavery in the American South as cotton farming boomed.
An expansion of the Panama Canal opened in 2016 so it could handle much larger ships.
Egypt expanded the Suez Canal in 2015.