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Westward Expansion.
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Congress had passed a law to stop slave trade overseas.
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The Santa Fe Trail becmes established, for merchants and adventurers to travel west, and to go beyond.
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The abolitionist movement sparks and becomes known nationwide.
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Gold is discovered in California sparking all miners and travelers everywhere around the globe come to California to become wealthy.
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the gold rush has ended as the gold had dried up.
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the santa Fe Trail gets faded out by the railroads
