1493. How Europe`s Discovery of the Americas Revolutionized Trade, Ecology and Life on Earth

Опис

Two hundred million years ago the earth consisted of a single vast continent, Pangea, surrounded by a great planetary sea. Continental drift tore apart Pangaea, and for millennia the hemispheres were separate, evolving almost entirely different suites of plants and animals. Columbus`s arrival in the Americas brought together these long-separate worlds. Many historians believe that this collision of ecosystems and cultures - the Columbian Exchange - was the most consequential event in human histo

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