The issue that has become a legal battleground specifically in the arena of contingent workers is : Receiving benefits.
Contingent workers are the type of workers that hired per-project basis.
They are not a part of the company hence, not required to give benefit to them like its full-time workers.
Contingent workers are part-time employees who receives fewer or no benefits from their employer, which result in a cost.
Contingent workers are made up of
Hence, the issue that has become a legal battleground specifically in the arena of contingent workers is receiving benefits.
Learn more about contingent workers here : https://brainly.com/question/6821484