The year was 1787 and the streets of Pennsylvania were hsppy because they elected George Washington to preside over the Constitution Convention.
Growth, according to Smith, is rooted in the increasing division of labor. This idea relates primarily to the specialization of the labor force, essentially the breaking down of large jobs into many tiny components. Division of labor also implies assigning each worker to the job that suits him best.
I think the term you're looking for is 'intersection'
A child is in which room full of what ?