What constitutes a "labor dispute"?

A "labor dispute" refers to a conflict that arises between employers and employees concerning the terms of employment, which often includes negotiations over contracts, wages, working conditions, and other employment rights. Option B is correct because it captures the essence of labor disputes as being rooted in disagreements about contractual obligations and employment conditions, highlighting that such disputes typically require negotiation to resolve.

In contrast, disagreements over employee benefits could be a part of a broader labor dispute but do not encompass the full scope of potential conflicts that can occur within labor relations. Reaching a resolution after negotiations signifies the end of a dispute rather than its definition. Complaints filed to a regulatory body can occur in various contexts and do not necessarily denote a dispute between the workforce and employers; instead, they may relate to claims of unfair practices or violations of labor laws. Therefore, option B effectively encapsulates what constitutes a labor dispute, emphasizing the ongoing conflicts surrounding employment agreements.