Originally Posted by Neapolitan

But you don't see too many long houses and tents around like you use too either. And horses were re-introduced to North America btw. They originated both in North and South America but became extinct at the end of the Pleistocene epoch on both continents. Horse virtually disappear everywhere on the face of the Earth execept for the steppes of Ukraine and central Asia. So when you think about it horses had be be introduce to Europe as well and horses are indeed something even Europeans "continue to enjoy to this day" like the Lipenstein Stallion.

And many of the other "conveniences" were developed outside of Europe and where at some point in history introduced there. No one country or people have a monopoly of inventions. Besides Indians gaining your "conveniences" you mentioned the Columbian Exchange brought the potato, corn, and pepper to to the rest of the world, where they had a population boom.