US1 - SEMI-PLAUSIBLE THEORY 1 Human beings traveled into...

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SEMI-PLAUSIBLE THEORY 1 Human beings traveled into South America from Africa when the two continents were attached and became stuck there when they drifted apart Problems: Indians don’t look like Africans Separation of the two continents occurred millions of years before human beings appeared on earth
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SEMI-PLAUSIBLE THEORY 2 POLYNESIA Catamaran Problems Closest Polynesian island is still over 2000 miles from coast of North America Prevailing winds in South Pacific blow away from America and towards Asia In order to get here, Polynesians would have had to sail over 2000 miles against the wind—possible but very unlikely
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SEMI-PLAUSIBLE THEORY 3 Chinese or Japanese might have sailed across Pacific and established settlements in Pacific Northwest PROBLEMS Distance Prevailing winds Flimsy ships Lack of physical evidence
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MOST LIKELY THEORY 1 First Americans originated in Gobi Desert Some migrated to Siberia around 15,000 years ago Crossed Bering Strait in Alaska Land bridge probably existed at the time Gradually dispersed
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BRAND NEW THEORY Ancestors of modern Native Americans originated in Europe Ice Age extended shorelines of North America, Europe, and Greenland far into the Atlantic Prehistoric people traveled along shoreline hunting and crossed over Exterminated by Central Asian immigrants who already lived in North America
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This note was uploaded on 01/16/2012 for the course HIST 201 taught by Professor Dr.christopherguthrie during the Fall '10 term at Tarleton.

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US1 - SEMI-PLAUSIBLE THEORY 1 Human beings traveled into...

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