The correct answer to this open question is the following.
The significance and lasting impact of the Junto, Benjamin Franklin’s discussion group was this group served as inspiration for the initiation of many public projects such as the Union Fire Company, the Pennsylvania Hospital, the University of Pennsylvania, and many more.
The Junto Club also made possible the city watch and proportional taxing according to people's income.
Benjamin Franklin and other 11 members formed the or the Leather Apron Club or Junto Club, in late 1727.