Final answer:
The Columbian Exchange had significant and lasting impacts, including devastating demographic shifts due to disease, transformative introduction and adoption of New World crops in the Old World, and a global economic upheaval due to the influx of American precious metals.
Step-by-step explanation:
The Columbian Exchange, which began with Columbus's voyages to the Americas in 1492, had several lasting effects on the world. Three major consequences of this exchange include:
- Demographic Changes: The introduction of European diseases like smallpox to the New World led to the devastating depopulation of the Native American population, while the Old World saw an increase in population due to the influx of new crops from the Americas.
- Agricultural Transformation: Crops native to the Americas, such as potatoes, tomatoes, and maize, were introduced to the Old World and significantly altered the diet and agricultural practices in Europe, Asia, and Africa.
- Economic Revolutions: The exchange of commodities like silver, gold, and other precious metals from the New World to the Old World spurred a global economic revolution, changing patterns of trade and the distribution of wealth.
These lasting effects resulted in a profound shift in global society, politics, and economies, and forever changed the course of human history.