Regulate production or trade ;)

Might want to be more detailed next time... World of Warcraft (wow) is composed of guild which is a group of people who are joined together. in these guilds players may quest, level, and even instance together. Most popular guilds are 70 only and should be researched on the WOW forum.

city and guilds because it is

Among the oldest guilds were those for stone masons and glass makers. But there were guilds of all sorts, and in guild oriented cities, many or most jobs were involved in the guild structure. There were carpenters' guilds and bakers' guilds and cobblers' guilds. There were even guilds that were entirely female, such as the silk guilds of Paris and Cologne. In time, there were also merchant guilds, in addition to craft guilds.

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The Minrothad Guilds was created in 1988.