USA HISTORY

Detailed explanation-1: -So, while Native Americans had plenty of good food crops available before 1492, they had few domesticated animals. The main ones, aside from llamas and alpacas, were dogs, turkeys, and guinea pigs. The introduction of horses made hunting buffalo much easier for the Plains Indians.

Detailed explanation-2: -Possibly the most dramatic, immediate impact of the Columbian Exchange was the spread of diseases. In places where the local population had no or little resistance, especially the Americas, the effect was horrific. Prior to contact, indigenous populations thrived across North and South America.

Detailed explanation-3: -Before Europeans initiated the Columbian Exchange of germs and viruses, the peoples of the Amer-icas suffered no smallpox, no measles, no chickenpox, no influenza, no typhus, no typhoid or parathyroid fever, no diphtheria, no cholera, no bubonic plague, no scarlet fever, no whooping cough, and no malaria.”

Detailed explanation-4: -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. The process by which commodities, people, and diseases crossed the Atlantic is known as the Columbian Exchange.