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World Trade and Biological Exchanges Before 1492
World Trade and Biological Exchanges Before 1492
Author: John L. Sorenson, Carl L. Johannessen
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...  more »
ISBN-13: 9780595513925
ISBN-10: 0595513921
Publication Date: 4/25/2009
Pages: 604
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Publisher: iUniverse.com
Book Type: Hardcover
Other Versions: Paperback
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