<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>
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.