They became more of a fashionable item. most likely got more expensive so you'd only see the rich wearing shoes and it would show the social classes more easily so it might have made some people feel bad about themselfs. before they were only used to keep your feet from being burned from a hot ground or from getting frost bite in winter.
Details? I'm not sure how to answer, without any real information.
On a "Wing-it" situation. I'd say Europe was poor country-wise.
a phrase, generally attributed to James Otis about 1761, that reflected the resentment of American colonists at being taxed by a British Parliament to which they elected no representatives and became an anti British slogan before the American Revolution; in full, “Taxation without representation is tyranny.
Electoral since any candidates can have the majority aka popular vote but can still win if they get most electoral college votes
