Columbian Exchange

• the exchange, or transfer, or plants, animals and disease to and from the Americas and the rest of the world following the discovery of the Americans by Christopher Columbus in 1492.

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Plants

• the most important exchange was:

• deepest impacts include:

=== from the Americas

• maize (corn)

Animals

• the most important exchange was:
  • introduction of farm animals to the Americas

• deepest impacts include:

Insects

• the most important exchange was:

• deepest impacts include:
  • European honey bees
  • English earth worms
    • the ice sheet and tundra climat killed the earthworms across northern North America
    • introduction of English worms re-worked the soil and changed the ecosystem

Disease

• the most important exchange was:

• deepest impacts include:

Technologies

• the most important exchanges were:
  • iron
  • gunpowder
  • horses
• deepest impacts include:
  • increase in deadliness of Native American tribal warfare
  • mass killing of North American buffalo herds via horse and firearms use
  • North American Native American armed resistance to European encroachment

from the Americas

• rubber
  • rubber is a natural latex
    • it is a milky-substance, like sap, that is derived from certain tropical trees
    • various latex-producing, rubber trees exist around the world
    • however, the Brazilian "Rubber Tree" is the primary source of industrial-use rubber
  • the Rubber Tree is a native plant of the Amazon (can grow to 140 feet)
  • earliest documented use of natural latex (rubber) was by the Olmec civilization in Mesoamerica (central America)
  • the Olmec and, later, Maya and Aztec, used rubber for balls for sports
  • the Aztec added rubber to cloth to make it waterproof
  • see
    • Heva Brasiliensis (wiki) for the story of this important plant
    • https://www.oringsusa.com/Rubber_Intro.pdf Brief History of Rubber (originsusa.com)]

• canoes
  • from the Tiaino word <<
• farming techniques

to the Americas

• horses
• iron
• alcohol

Language

• the most important exchange was:
• deepest impacts include:

Other cultural, political and religious exchange

• the most important exchange was:
• deepest impacts include: