It can be argued that the primary negative aspect of the Exchange was disease propagation. Smallpox and other old world diseases west, and (it has been argued but not proven) syphilis and other venereal diseases east.
the introduction of the horse
One result of this exchange was the transfer of germs and viruses that brought diseases from europe to asia
Horses
It is named after Christopher Columbus. His arrival in the Americas began the exchange of plants, animals, and diseases between the Western and Eastern Hemispheres that had previously only existed on one side of the Atlantic Ocean.
As new crops were introduced in Europe, food production increased.
the introduction of smallpox to the Native Americans
the introduction of horses to the Native Americans.
the introduction of smallpox to the Native American population
One synonym for the Columbian Exchange is the "Great Exchange."
the introduction of smallpox
Horses good, smallpox bad.
Disease killed millions of Native AmericansThe Columbian Exchange (the transfer of plants, animals, diseases, etc. between the old and new worlds) had both positive and negative impacts. For the native people in the Americas, the cumulative effect was negative.One example is large groups of native peoples being wiped out by European diseases like smallpox.
the introduction of horses to the New World.
horses
Horses
the introduction of the horse
horses