The Columbian Exchange

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Across
  1. 2. the economic-equivalent of oil in New World colonies
  2. 4. the first truly global commodity
  3. 5. the act of taking items, originally used by Native Americans, and assigning them monetary value
Down
  1. 1. an economic theory that rejects free trade; its purpose is to enhance power for the colonizing nation
  2. 3. small, invisible lifeforms (like smallpox or measles) that would have huge negative impacts on Native American peoples