Answer:Buffalo soldier, nickname given to members of African American cavalry regiments of the U.S. Army who served in the western United States from 1867 to 1896, mainly fighting Indians on the frontier. The nickname was given by the Indians, but its significance is uncertain.
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The transcontinental railroad transformed the west because it made the idea of manifest destiny so much easier to achieve. The railroads also gave access to many trade spots, which in result connected them all, making the economy of America BOOM.
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September 2nd 1945 lasting 6 years and 1 day
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