Christopher Columbus Negatives

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The exchange of diseases, food, animals and population refers to the Columbian Exchange. It all started when Christopher Columbus came to America in 1492. There were some positive aspects he brought to the New World such as ideas, technology and crops but he also brought many diseases such as measles, mumps, influenza, chicken pox and the worst of all was smallpox. The New World had been isolated and had not been exposed to any diseases, making them more susceptible to illnesses. They had a compromised immune system to these sicknesses which lead to an extremely high mortality rate among the Americans.

Some of the positive influences from the Old World included crops, metal supplies and livestock. Some of the new crops that were brought