Answer:
The history of civil rights in the twentieth-century United States is inseparable from the history of the Great Migration. From the end of World War I through the 1970s, extraordinary numbers of African Americans chose to leave the South with its pervasive system of legalized racism and move to cities in the North and West. While we often associate the Great Migration with the decades around the two World Wars, historians have recently established that many more people moved away from the South after 1940 than before. Between 1940 and 1980, five million African Americans moved to the urban North and West, more than twice the number associated with the first wave of migration from 1915 to 1940.
Explanation:
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I believe the answer is: Fertile Crescent
Fertile Crescent is a term that used to described a region where human civilizations could thrive due to its capability to sustain many agricultural products. In most cases, this region possess both soil with high amount of nutrients and located not far from a water source.
I think that this question was asked by a bot made by brainly.
The correct answer to this is Natural Resources. <span>In the mid to late 19th century, natural resources were heavily exploited, especially in the West. Land speculators and developers took over large tracts of forests and grazing land. Acreage important to waterpower was seized by private concerns.
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