what is the definition of collective bargaining?\nongoing salary negotiations between an employee and a…

what is the definition of collective bargaining?\nongoing salary negotiations between an employee and a factory owner\nan agreement among a group of factory owners to raise worker wages\na written set of guidelines about legal and illegal workplace conditions\nlabor union and employer negotiations about wages and other issues
Answer
Brief Explanations:
Collective bargaining is the process where labor unions and employers negotiate over wages, working - conditions, and other employment - related issues. It is a group - level negotiation rather than an individual one.
Answer:
D. labor union and employer negotiations about wages and other issues