Many experts believe that all humans can be traced back to the continent of Africa, since migratory patters can be found from fossil evidence that then spread through Europe and Asia.
The Pacific Railway Acts influenced western settlement, because many people saw this as an opportunity to move out west to make money and start new lives, more so to start a new beginning. This stopped benefiting the corporations as much as well, because grants were made to the state beforehand and now the funding was going to railroad companies.
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