Answer:
D. The bulk of day-to-day interaction takes between labour and management takes place at the local union level.
Step-by-step 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.