Columbian Exchange 1492 Columbus brought the eastern and western hemispheres back together. The resulting swap of Old and new world germs, animals, plants, peoples, and cultures. The significance of the exchange was to produce crops to the old world. It helped by bringing the western and eastern hemispheres together with the transfer of resrouces (jan 1, 1492 – jan 1, 1492)
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jan 1, 1492
jan 1, 1492
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