Which of the following is true of local unions?
a. the local of an industrial-based union typically covers a city or a region.
b. in a craft-oriented union, the local corresponds to a single large facility or to a number of small facilities.
c. administration of the contract is beyond the powers of a local union.
d. the bulk of day-to-day interaction between labor and management takes place at the local union level.
e. negotiations involved in collective bargaining are not handled at the local union level.

Explanation:

The organisation of workers dedicated to improve working conditions of the workers and protecting their interests is called labour union. Unions represent factory workers, teachers, mechanic, police officers etc. There are more than 60 national and international unions that represent the workers in Canada and America.

Unions functions like a democracy and hold elections of their workers on behalf of the members, it gives the workers more power on the job.

Local union in local group of workers with charter from international or national union such as UAW(United Auto Workers). The local union include the workers from a particular region or company. It can also have the workers from the same business sector which are employed with various companies.

"social stratification refers to the way people are ranked and ordered in society. in western societies, stratification is primarily seen and understood as a result of socioeconomic status, which produces a hierarchy in which access to resources, and possession of them, increases from the lower to the upper strata"