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World Trade and Biological Exchanges Before 1492

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World Trade and Biological Exchanges Before 1492 - Sorenson, John L, and Johannessen, Carl L, Dr.
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People moved into America very early across the Bering Strait. By the fifth millennia B.C.E. tropical sailors brought diseases to America and took plants and animals in both directions. Long before Columbus, tropical sailors carefully selected crops from New World highlands and shorelines, wet and dry climates, and took them to the Old World where they were grown in appropriate environments. Medicinal and psychedelic plants were traded and maintained in Egypt and Peru during separate, 1,400-year periods. This implies that ...

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World Trade and Biological Exchanges Before 1492 2009, iUniverse, Bloomington IN

ISBN-13: 9780595524419

Revised edition

Trade paperback

World Trade and Biological Exchanges Before 1492 2009, iUniverse, Bloomington IN

ISBN-13: 9780595513925

Hardcover