Negative Effects Of The Columbian Exchange

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1. 1492: Columbian Exchange When Columbus first landed in the New World, the Columbian Exchange started. The Columbian Exchange was the interchange of crops, livestock, ideas, and slaves between the New World and European countries. The Europeans brought over crops, such as rice and wheat, farm animals, and Christianity. When they traveled back to their home countries, they took vital crops such as maize, tomatoes, and potatoes. The planting of these vegetables changed the economy and caused population growth in many European countries. Although this exchange was positive, many others were negative. For example, through a mostly accidental exchange, the Europeans brought over many diseases like smallpox, influenza, and the common cold which