Asa Whitney was the first person who advocated for a transcontinental railroad
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URL and HTML. Either one of those :)
Explanation:
I think it’s iron not sure
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what
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you didn't attach a question
<span>People moved from large cities in the East to settle in the Western Territories.--new transportation and territories open up with cheap land drew people west.
Western migration eased the crowding of Northeastern cities and provided a group of people to farm and provide food for the growing industrial centers through the North and Midwest. Railroad transportation allowed for easier travel to the West as well as roads and canals. </span>