Consequences of the Colombian Exchange

Write an essay on one unintended consequence of the Colombian Exchange. To begin, read the examples of actions and consequences below, and note how each consequence was unintended.
Some European sailors have smallpox. They come in contact with Native Americans and pass the disease on to them. The disease devastates whole cultures.
Europeans take potatoes back to the New World. Some European countries become overly dependent on the potato as a main food source. -Affluent Europeans buy sugar from the New World. The slave trade burgeons as European colonists buy slaves to work on sugar cane plantations. -Conquistadors bring horses with them to the New World. Plains Indians and other Native Americans become expert horsemen.

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