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In the early 1900's, 6 million African Americans emigrated form the rural south of the US to the northeast, mid-west and west and thus began an urban existence in many of the cities in these areas so became important politically due to their numbers and their strong support of the civil rights movement later on.
Xia was the first dynasty and was formed by Yu the great. Shang was formed by King Ching Tang, had a system of writing and had bronze technology...
