The urbanization and growth of the steel producing centers can be explained by the supplies of iron and rail lines.
Urbanization occurs when there is shift usually in a population location whereby large number of people migrate form the rural area to a new place that is usually smaller in size thereby forming a more concentrated population.
The form a permanent residence in this new location.
Therefore, the urbanization and growth of the steel producing centers can be explained by the supplies of iron and rail lines.
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