<span>The correct answer is the last option. A guild is
an association of artisans or merchants who oversaw and trained new merchants
(apprentice). They were organized in a manner of a professional association, trade
union, cartel, and secret society. The important result of guilds is emergence
of universities of Bologna, Paris and Oxford.</span>
It was electricity that was being invented causing the extended number of hours in a day permitting Americans to work and even play. Electricity powers companies, industries, manufacturing plants down to the most basic unit, the homes, schools, appliances, gadgets and the likes. It was said that electricity has been invented by an American inventor named as Thomas Alba Edison however, there are a lot of arguments saying that it was not Edison who first discovered electricity. The electricity has become a vital part of the lives and business of all the people in the world.
