His only real claim to fame was taking syphilis from the Caribbean back to Europe
And the Mayflower Americans can suck it too
I am a direct line descendants from the first Scandinavians in the new world
and we were smart enough to realize the Europe was a lot easier pickings than travel to the new world against an unknown number of foes
the biggest impact of exploration was the destruction of lesser tech cultures
and the exchange of diseases through a lack of natural immunity
Aids would have been contained in africa, unnoticed because of all the other things that kill people quickly – if not for modern air travel and the movement of military army movements
just proves that fools rush in, where angels fear to tread, eh?