Answer:
D. Merchants traded their goods all over Europe.
Step-by-step explanation:
Craftspeople became more important because, before there wasn't as much art and it was not as valued because, people didn't really see them for food or something to survive. They were slightly helpful for the stained glass but, there wasn't much stained glass needed because, there weren't many churches in Europe. So, C. They made stained glass for churches won't work. There weren't many universities to hire them because, there weren't many people to educated other than the like 3% of rich people in Europe at that time. Working for feudal lords during the Renaissance probably wouldn't make them as much money. So, they probably do their original work for themselves.