Not enough food and supplies and illnesses. If this was helpful please rate this 5 stars
Two of Africa's resources are cobalt, and diamonds. hope that helped
Answer: Industry advanced onward and drew millions of workers into the new cities. urban population increased seven fold in the half-century after the Civil War. Much of America's urban growth came from the millions of immigrants pouring into the... by a number of causes, what historians typically call “push” and “pull” factors.
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