USA HISTORY

Detailed explanation-1: -Smallpox arrived on Hispaniola by 1519 and soon spread to mainland Central America and beyond. Along with measles, influenza, chickenpox, bubonic plague, typhus, scarlet fever, pneumonia and malaria, smallpox spelled disaster for Native Americans, who lacked immunity to such diseases.

Detailed explanation-2: -The spread of disease. 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: -The native population was almost wiped out. The main cause of death was disease, such as smallpox, malaria, and influenza. These diseases did not exist in the New World prior to the European’s arrival. Because the native peoples had no natural immunity, they became sick.

Detailed explanation-4: -The impact was most severe in the Caribbean, where by 1600 Native American populations on most islands had plummeted by more than 99 percent. Across the Americas, populations fell by 50 percent to 95 percent by 1650.

Detailed explanation-5: -Columbian Exchange Negative Effects Although the Columbian Exchange brought many good things to America such as food and transportation, The Columbian Exchange was an Overall Negative event because it killed millions of people because of slavery, war, disease, and overwork.