A negative product of the Columbian Exchange was the transfer of diseases
Slavery and communicable diseases are two negative effects of the Columbian exchange.
the transfer of disease
THe Columbian Exchange is the Globla Trade LOOK IT UP!
The introduction of smallpox to the native Americans.
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.
Aah
Disease killed many Native Americans.
the introduction of smallpox
diseases APEX answer
the introduction of smallpox to the Native American population