How did the columbian exchange affect the environments, economies, and people of europe, africa, and the americas? a lot of points

They got new stuff and they were like "Oh snap new stuff" so then they were like "Aye dude you can do your economic stuff like this" they said "dude ur right". They traded a lot, made ships and traded there. SO ye

Contact with the Europeans caused a population shortage when the Native Americans contracted deseases that they were not immune to. This population decrease indirectly caused a drastic labor shortage throughout America, which eventually resulted in African slavery on a vast scale in the Americas. The landscape was also drastically effected, by replacing the New World plants with Old World plants. The Columbian Exchange marked the beginning of an era of global trade. Oceans no longer represented barriers to people, goods, animals, plants and microbes. Contact catalyzed progress, but it also produced suffering and exploitation.