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-HOW TO READ: INSTRUCTIONS --HIGHLIGHT IMPORTANT POINTS, WORDS OR PHRASES-SUMMARIZE EACH PARAGRAPH IN TWO TO THREE SENTENCES ASCOMMENTS. -WRITE ANY QUESTION OF INQUIRY IF YOU MAY HAVE -THE FIRST PARAGRAPH IS DONE FOR YOU.The Columbian Exchange (760L)In 1492, Christopher Columbus sailed the ocean blue. His voyage connected Europe and the Americas. It began a new era in human history. We now had a global network.Plants and animals could now move back and forth across the Atlantic Ocean. Historians call this the Columbian Exchange (after Columbus).I want to understand the consequences of the Columbian Exchange. I want to see how plants, animals, and people moved acrossthe Atlantic between 1492 and 1850. My goal is to see what impact these movements had.Humans were creating new global networks. What effect did these networks have on people around the world?What Was Exchanged Between 1492 and 1850?First, I want to answer some basic questions. What was exchanged between Europe and the Americas? What moved east? What moved west?To answer these questions, I’ll need to gather information from some history and science books.I used two sources to create the map and chart below. Both books are by Alfred W. Crosby.The first is The Columbian Exchange: Biological and Cultural Consequences of 1492. The
second is Ecological Imperialism: The Biological Expansion of Europe, 900-1900. The map and chart show what items moved back and forth across the Atlantic in the Columbian Exchange.Plant and Animal Exchange: SurprisesThe Europeans who came to the Americas brought many things with them. They were completely new to the American continents.Some of them surprised me: horses, sheep, honeybees, earthworms, sugarcane, wheat, fruits, coffee plants, and diseases.These things have been common in the Americas for a long time. I thought they had always been here! Can you imagine North America without horses, cattle, honeybees, earthworms, or coffee?Many items made the reverse trip from the Americas to Europe after 1492. They included corn, potatoes, turkeys, tomatoes, chili peppers, and cocoa.Before that, none of these items were found in Europe, Africa, or Asia. Today, I can’t imagine Italian food without tomatoes or food from India without chili peppers.Some of the exchanges happened on purpose. Europeans planned to introduce some new plants and animals into the Americas. For example, Spanish explorers brought olive trees over on their ships so they could plant them in the New World.Europeans also brought over crops such as sugar, coffee, cotton, and ginger. They hoped these

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