Webthe columbian exchange, initiated by christopher columbus's voyages in 1492, was a pivotal event in history involving the extensive transfer of plants, animals, culture, human. Allegations of his poor administration led to his being returned to spain in chains. Webthe discovery of the new world by christopher columbus in 1492 marked a pivotal moment in global history, setting the stage for profound economic. Webexploring the age of exploration and the columbian exchange, this overview highlights christopher columbus's voyages, the introduction of new crops and animals across.