The exchange of different diseases that each group wasn't able to survive, being that their bodies had never built up the needed antibodies to fight away the viruses/bacteria.
the transfer of disease
The Columbian exchange
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.
Horses good, smallpox bad.
The Columbian exchange
the transfer of disease
smallpox
the Columbian exchange
The Columbian exchange introduced disease, famine and non native species of animals to the Atlantic world. The disease caused many epidemics among the Natives and the species of new animals wreaked havoc on plants. The Columbian exchange also changed the terrain
Disease killed many Native Americans.
The Columbian exchange
The Columbian exchange
The Columbian exchange
The Columbian exchange
The Columbian exchange
The Columbian exchange
The Columbian exchange