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cotton gin
a cotton gin is a machine that quickly and easily seperates cotton fibers from thier seeds,allowing for much greater producttivity then manul cotton seperation. -
War of 1812
it lasted about 2 in a half years fought by the united states of america against the united kingdom of great britian and ireland -
war of mexico
the mexican-american war,also known as the mexican war ,the u.s.-mexican war or the invasion of mexico ,was an armed conflict between the united states and the centralist republic of mexico from1846 to 1848. -
Civil war
the american civil war,widely known in the united states as simply the civil war as well as other sectional names, was a civil war fought from 1861 to 1865
