c) People were able to focus on ideas rather than simple survival.
Explanation:
The economic prosperity is a means to have the money necessary to fill the needs and desires. Prosperity is related to the good fortune, good success, wealth and including other factors as happiness.
<u>And was often correlated to the economic growth, as middle ages the economy as characterized by the social stratification and market followed the trade and finance and arts as more people want to invest their money. This led to the rise of the craftspeople</u>.
