The introduction of smallpox to the native Americans.
the transfer of disease
A negative product of the Columbian Exchange was the transfer of diseases
Slavery and communicable diseases are two negative effects of the Columbian exchange.
Diseases
THe Columbian Exchange is the Globla Trade LOOK IT UP!
the horse
the introduction of smallpox
the horse
the introduction of smallpox to the Native Americans
The primary negative effects of the Columbian Exchange were death, disease, and slavery. Positive effects included the incorporation of European methods of agriculture, and the introduction to the Americas of animals such as horses.
New food sources for Europe.
enslavement, death