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Most people traveling from place to place
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Homo-Sapiens walked the Earth
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Nomadic peopled began settling down
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People began clearing forest into fields for planting
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Rotation of crops to prevent exhaustation of soil
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All farming with very little technological advances
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Columbus discovers a new world
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30-60 millon Bison roamed the North American Plains
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beginning
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Industrial Revolution in England
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Goverment owns 80% of land
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Railroads hired bison hunters
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thoreau and Marsh
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Ends
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Bison shrunken to a tiny area
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World War 1
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