The correct answer should be c. education
Education has always been a big thing even in the times of the colonies. The US had the first university much before many countries worldwide even had high-schools.
Crucially!
To all that was written by Alexander I would like to add that people eat badly in the Renaissance, I mean the rich and wealthy people. Tables them were full of food, it was all terribly kalloriynym, fatty, salty, sweet, and so on. D. Lots and lots of alcohol, rather the water while almost no drinking, right from the morning began to drink "El" (a sort of light beer) and adults and children and men and women. We ate hands, wiped mostly about himself, immediately behind the screen on the eyes and ears on all types emptied in buckets ... phew! I'm going to be sick! In general, so they (the rich and wealthy) naturally suffer from any intestinal diseases, I think it was not a few deaths ... the food was terrible indeed. Dirty and smelly young days. in general, the lack of Hygiene, not dieting. In late already began to appear cutlery - as exotic, forks, spoons, knives ... health ... culture ...
The treaty of tordesillas divided the newly discovered lands between portugal and spain
Germany became bankrupt
it's military size was reduced
they were fined
it led to a feeling of hatred to the world by the Germans
etc