WORLD HISTORY

Detailed explanation-1: -The most devastating component of the Columbian exchange was the transfer of Old World diseases to the Americas. Among the lethal germs were smallpox, measles, mumps, whooping cough, chickenpox, typhus, and influenza.

Detailed explanation-2: -Christopher Columbus introduced horses, sugar plants, and disease to the New World, while facilitating the introduction of New World commodities like sugar, tobacco, chocolate, and potatoes to the Old World.

Detailed explanation-3: -Europeans brought deadly viruses and bacteria, such as smallpox, measles, typhus, and cholera, for which Native Americans had no immunity (Denevan, 1976). On their return home, European sailors brought syphilis to Europe.

Detailed explanation-4: -How did the Columbian Exchange affect Europe? Domesticated animals from the New World greatly improved the productivity of European farms. Europeans suffered massive causalities form New World diseases such as syphilis. The higher caloric value of potatoes and corn improved the European diet.

Detailed explanation-5: -The deadliest Old World diseases in the Americas were smallpox, measles, whooping cough, chicken pox, bubonic plague, typhus, and malaria.